Compare and contrast the characteristics of viruses, viroids, and prions by placing the statements into the appropriate columns.
Answers
Viruses, viroids, and prions are all infectious agents, but they differ in their characteristics and mechanisms of infection.
Viruses are composed of genetic material (either DNA or RNA) surrounded by a protein coat called a capsid. They are obligate intracellular parasites, meaning they can only replicate inside host cells. Viruses attach to specific receptor sites on the host cell's surface and inject their genetic material into the cell. The host cell then uses the viral genetic material to produce new virus particles. Examples of viruses include influenza virus and HIV.
Viroids are smaller than viruses and consist only of a short strand of circular RNA. They do not have a protein coat. Viroids can infect plants, causing diseases such as potato spindle tuber disease. Viroids replicate inside host cells using the host's cellular machinery. They can disrupt the normal functioning of the host plant and interfere with the production of proteins.
Prions are misfolded proteins that can cause normal proteins to adopt the abnormal shape. They are not made of genetic material. Prions can cause neurodegenerative diseases in animals and humans, such as Creutzfeldt-Jakob disease and mad cow disease. Prions can enter healthy cells and induce the normal proteins to misfold, leading to the accumulation of abnormal proteins. This accumulation can result in damage to the nervous system.
To summarize, viruses are composed of genetic material and a protein coat, while viroids are smaller and consist only of RNA. Prions, on the other hand, are misfolded proteins that can induce normal proteins to misfold. Each of these infectious agents has distinct characteristics and mechanisms of infection.
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Related Questions
Perilymph is located in the
1. scala tympani
2. cochlear duct
3. bony labyrinth of the semicircular ducts
a. 1 and 3
b. 1 and 2
c. 2 only
d. 3 only
e. 1 only
Answers
Perilymph is a fluid found in the inner ear, specifically in the (a) 1. scala tympani and 3. the bony labyrinth of the semicircular ducts.
The scala tympani is one of the three fluid-filled chambers within the cochlea, which is responsible for converting sound vibrations into electrical signals that can be interpreted by the brain. The perilymph within the scala tympani helps transmit sound vibrations and maintains the proper functioning of the cochlea.
The bony labyrinth of the semicircular ducts is a complex structure involved in the sense of balance. It contains three semicircular canals that detect rotational movements of the head.
The perilymph within the bony labyrinth plays a crucial role in transmitting the movement of the fluid within the canals to the sensory receptors, allowing the brain to perceive changes in head position and movement.
Therefore, the correct answer is option a: 1 and 3.
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A physical injury to the body's tissues can result from the repeated action of relatively small forces acting on tissue, and this is called
Answers
A physical injury to the body's tissues resulting from the repeated action of relatively small forces is called a repetitive stress injury (RSI) or cumulative trauma disorder (CTD).
RSIs occur when a specific task is performed repeatedly over time, causing wear and tear on the body's tissues and leading to inflammation, pain, and possible long-term damage. Some common examples of RSIs include carpal tunnel syndrome, tendonitis, and bursitis. These injuries often affect the muscles, tendons, and nerves in areas like the hands, wrists, elbows, and shoulders.
However, they can also occur in other parts of the body, such as the lower back and knees. Factors that contribute to the development of RSIs include poor posture, improper ergonomics, lack of breaks, insufficient rest, and excessive force or pressure on the tissues. These factors can cause microtrauma to the tissues, which, if not adequately recovered, may lead to a repetitive stress injury.
To prevent RSIs, it is essential to maintain proper body mechanics and ergonomics, take frequent breaks, and incorporate stretching and strengthening exercises into your daily routine. Early detection and intervention are crucial in addressing these injuries, as they can become chronic and potentially debilitating if left untreated.
In summary, a repetitive stress injury is a physical injury to the body's tissues caused by the repeated action of relatively small forces acting on the tissue, which can lead to inflammation, pain, and long-term damage if not properly addressed.
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PLSSSS HELP IF YOU TURLY KNOW THISSS
Answers
Answer:
Explanation:
Dairy (cow, goat, sheep) and fortified plant-based milks (almond, soy, rice)
Cheese.
Yogurt.
Calcium-fortified orange juice.
Winter squash.
Edamame (young green soybeans); Tofu, made with calcium sulfate.
Canned sardines, salmon (with bones)
Almonds.
Which operon displays both positive and negative gene regulation? a) Trp operon b) Lac operon c) Both Trp and Lac operons d) None of the above
Answers
The operon that displays both positive and negative gene regulation is the Lac operon. This operon is regulated by the presence or absence of lactose and glucose in the environment.
When lactose is present, it binds to the repressor protein and causes it to detach from the operator site, allowing for transcription of the genes. This is an example of positive regulation. On the other hand, when glucose is present, it inhibits the production of cyclic AMP (cAMP), which is required for the binding of the activator protein to the promoter region.
This is an example of negative regulation. Therefore, the correct answer is b) Lac operon.
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Can light cause changes metal
Answers
Answer:yes
Explanation:Cause metal to be semi conductor
Answer:
yesssssssss!!!!!
Explanation:
What submersible craft recovered the hydrogen bomb that fell into the mediterranean sea during the palomares hydrogen bomb incident? a. alvin b. rov c. h.m.s. challenger d. bathysphere
Answers
Alvin recovered the hydrogen bomb that fell into the Mediterranean Sea during the Palomares hydrogen bomb incident.
How long can Alvin stay underwater?Alvin is a part of the National Deep Submergence Facility( NDSF). It can reach a depth of 6500 meters in a dive that can last up to ten hours. It was declared in 1964 as one of the world’s first submersibles in deep oceans. Over its lifetime, it has gotten many upgrades. The most recent update was started in 2011 and finished in 2021. It has a new, more enormous personnel sphere with a more ergonomic interior. It has improved visibility and longer bottom times. A good Lightning has been installed with an exemplary imaging system.
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Answer:
C. Alvin
Explanation:
edge 2022
What is the major difference between the position of producers and primary consumers in the food chain?
Primary consumers make up the first level of the food chain, while producers make up the last level of the
food chain.
Primary consumers make up the second level of the food chain, while producers make up the first level of
the food chain.
Primary consumers make up the last level of the food chain, while producers make up the first level of the
food chain.
Primary consumers make up the second level of the food chain, while producers make up the third level of
the food chain.
Answers
the major difference between the position of producers and primary consumers in the food chain-
Primary consumers make up the second level of the food chain, while producers make up the third level of the food chain.
Primary consumers make up the last level of the food chain, while producers make up the first level of the food chain.
Primary consumers make up the first level of the food chain, while producers make up the last level of the food chain.
Primary consumers make up the second level of the food chain, while producers make up the first level of the food chain.
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Biomagnification is... concentration of a contaminant stays the same as you move to higher trophic concentration of a contaminant increases as you move to higher trophic level concentration of a contaminant increases as an individual grows concentration of a contaminant stays the same as an individual grows
Answers
Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.
To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.
Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.
Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.
It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.
Explanation:
A city in the U.S. Southwest is planning to restore some wetlands in a park running along its downtown river. A question has been raised about mosquitoes. Some think that mosquitoes will promote the bird population and that the natural beauty of the project will outweigh the risks. Others are worried that the mosquitoes might bring of the such diseases as malaria, especially as more people migrate from the south. How should city planners balance these concerns?
Answers
City planners faced with the question of balancing concerns regarding mosquitoes in wetland restoration projects need to consider both the potential benefits and risks involved. On one hand, mosquitoes can serve as a food source for birds and contribute to the biodiversity and ecological balance of the wetland ecosystem.
They play a role in supporting the bird population and enhancing the natural beauty of the park. These aspects can be important factors in promoting environmental sustainability and attracting visitors to the area. On the other hand, there are legitimate concerns about the potential risks associated with mosquitoes, particularly in terms of disease transmission. While malaria is not typically a concern in the United States, other mosquito-borne diseases such as West Nile virus and Zika virus may pose risks to public health. As migration patterns change and more people move from regions where these diseases are prevalent, the potential for transmission could increase.
To strike a balance, city planners should consider implementing measures to mitigate the risks associated with mosquitoes while maximizing the benefits of wetland restoration. This can include implementing mosquito control strategies such as monitoring and targeted insecticide use, creating habitats for natural predators of mosquitoes, and providing education and awareness programs for the public. By adopting a comprehensive approach that addresses both ecological and public health considerations, city planners can create a wetland restoration project that balances the promotion of biodiversity and natural beauty with the protection of public health.
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Green plastids shaped somewhat like a flattened rugby football and responsible for photosynthesis are called
Answers
Answer:
i think it is chloroplasts but i am not 100% sure i am 99.99% sure tho
Explanation:
i have learned about this in class
How does a light moths variation in color change its probability of surviving in a dark - tree environment over time?
Answers
Answer:
Due to the moths light color it won't be able to blend in with the darkly colored trees therefore being easily seen by predators.
If you poured the fluids below into a container, which would sink to the bottom?
-water with a density of 1.0 g/cm3
-vegetable oil with a density of 0.91 g/cm3
-honey with a density of 1.36 g/cm3
-air with a density of 0.00013 g/cm3
Answers
Answer:
Honey > Water > oil > air
Explanation:
Heavy density will sink and less heavy density will float
So,
Density of honey is highest so, honey will sink
than,
Density of water is higher so, vegetable oil will float
Density of oil is higher so, air will float
Honey > Water > oil > air
Enzymes are described as catalysts, which means that they __________. View Available Hint(s)for Part A increase the free energy of the reactants to make the reaction go faster provide activation energy for the reactions they facilitate can alter the free energy change (ΔG) for a chemical reaction are proteins increase the rate of a reaction without being consumed by the reaction
Answers
Answer:
Enzymes are proteins that are able to increase the rate of a reaction without being consumed by the reaction. They are also called natural catalysts.
Explanation:
Enzymes increase the rate of chemical reactions inside cells by lowering the activation energy required for the reaction to proceed.
Hope this will help :)
Discuss the function of hemoglobin in human body and the consequences of hemoglobin
deficiency
Answers
Hemoglobin: The high iron-containing protein in red blood cells (RBCs) is known as hemoglobin. This gives the blood a red color.
It has two main functions: it carries oxygen from the lungs to tissues of the body, and it carries carbon dioxide from cells back to the lungs for excretion.
Functions of hemoglobin:
Hemoglobin is the main reason for the red color in our blood.Hemoglobin carries oxygen and carbon dioxide. Hemoglobin interacts with other ligands.Hemoglobin plays a crucial role in maintaining the shape of red blood cells.Consequences of hemoglobin deficiency:
Hemoglobin deficiency leads to having fewer red blood cells and causes anemia.It is found in red blood cells and acts as a carrier of oxygen and carbon dioxide.Low levels of hemoglobin in the blood cause parts of the body to function more slowly and weaken due to reduced oxygenation.Hemoglobin deficiency reduces the blood's oxygen-carrying capacity.
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Subject A (without diabetes)
Food type Starting blood glucose level (mg/dL) Blood glucose level after 1 hour (mg/dL) Blood glucose level after 2 hours (mg/dL) Blood glucose level after 3 hours (mg/dL)
100
100
100
100
Subject B (with type 1 diabetes)
Food type Starting blood glucose level (mg/dL) Blood glucose level after 1 hour (mg/dL) Blood glucose level after 2 hours (mg/dL) Blood glucose level after 3 hours (mg/dL)
100
100
100
100
Please help! I dont understand at all
Answers
During the course of the observation period, Subject B's blood glucose levels, who has type 1 diabetes, stay steady.
Thus, the beginning blood glucose level stays at 100 mg/dL regardless of the kind of food taken, and there are no variations in the blood glucose levels after 1, 2, or 3 hours. This is probably caused by the body's inability to create enough insulin, a hormone in charge of controlling blood glucose levels.
Blood glucose levels rise and stay raised without adequate insulin production because the glucose from diet cannot be efficiently delivered into cells for use as energy. Insulin treatment and rigorous carbohydrate monitoring are often necessary for type 1 diabetics to regulate their blood glucose levels.
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The structural formulas of amino acids are the same EXCEPT for the A) amino group. B) side chain or R group. C) hydrogen bonding D) carboxyl group. E) alpha carbon
Answers
The structural formulas of amino acids are the same except for the side chain or R group, which differentiates one amino acid from another.
Answer choice B is correct. The structural formulas of amino acids consist of a central carbon atom, known as the alpha carbon, which is bonded to four different groups: an amino group (NH2), a carboxyl group (COOH), a hydrogen atom (H), and the side chain or R group.
The side chain varies among different amino acids, giving each amino acid its unique properties and chemical characteristics.
The amino and carboxyl groups are present in all amino acids, while the hydrogen atom and alpha carbon are also consistent components. Therefore, the side chain or R group is the distinguishing factor that sets one amino acid apart from another.
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What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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which type of virus is an exception to the central dogma? select all that apply. group of answer choices retrovirus dna virus rna virus
Answers
Retroviruses, such as HIV, are an exception to the central dogma as they reverse transcribe their RNA genome into DNA, challenging the flow of genetic information.
The central dogma of molecular biology describes the flow of genetic information from DNA to RNA to protein. While most viruses adhere to this central dogma, there are exceptions. The retrovirus is one such exception.
Retroviruses, like HIV, possess RNA as their genetic material, but they are unique in their ability to reverse transcribe their RNA genome into DNA. This DNA is then integrated into the host cell's genome, where it can be transcribed into RNA and translated into proteins.
This process involves the reverse transcriptase enzyme. Retroviruses essentially reverse the flow of information from RNA to DNA, challenging the central dogma.
In contrast, DNA viruses and RNA viruses generally follow the central dogma, with DNA viruses using DNA as their genetic material and RNA viruses using RNA to directly encode proteins without reverse transcription.
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what happens to the minerals in rocks that undergo metamorphism
Answers
The minerals in rocks that undergo metamorphism can change significantly and form new rock types with unique mineral assemblages and physical properties.
What is Metamorphism Rock?
Metamorphic rock is a type of rock that has undergone a physical or chemical change due to extreme heat and/or pressure. This process of metamorphism alters the mineralogy, texture, and structure of the original rock, resulting in a new type of rock with unique properties.
During metamorphism, the minerals in rocks can undergo various changes in their composition, crystal structure, and texture due to changes in temperature, pressure, and chemical environment. Some minerals may dissolve and recrystallize into new minerals, while others may grow in size or change shape. The minerals can also become more densely packed and the rock can become more compact, increasing its hardness and durability. Some minerals can also react with fluids present in the rock, forming new minerals or altering the chemistry of the rock.
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HELPPPP
Why is it important to have range of tools that can measure all parts of the electromagnetic spectrum
This tiny slice of the universe, speckled with galaxies near and far, tells the story of galaxy evolution over cosmic time Among the 10,000 or so galaxies
pictured here are newborns, adolescents, adults and retirees Like looking through a vast collection of family photos, astronomers are poring over this
comprehensive image to see how galaxies grew up, matured, and aged
This portrait of our universe's history is called the Hubble Ultra Deep Field (or HUDF). It is a minuscule patch of sky first targeted by the Hubble Space
Telescope in 2002 and revisited over and over again since then. This version of the HUDF is extra special though It combines observations of the field
taken with Hubble's Advanced Camera for Surveys and the Wide Field Camera 3 from 2002 to 2012, providing one of the farthest views into the universe
we've ever seen Plus, it includes light not just from the visible part of the spectrum but from the invisible) infrared and ultraviolet ranges, too, giving us
different details of the story of how galaxies came to be
Infrared light lets us see the universe's youngest galaxies. These galaxies lie far far away from us, and as their light travels across the universe, it gets
stretched by the expansion of space Wavelengths of visible light grow longer becoming infrared light by the time it reaches us Combining Hubble's
observations of the HUDF in visible and infrared light a team of astronomers led by Garth Illingworth of the University of California identified more than
5,500 galaxies in a central portion of the field some so faint that they are just one ten-billionth the brightness of what the human eye can see Another
team headed by Richard Ellis of the California Institute of Technology (Caltech) used Hubble's infrared observations to find galaxies more than 13 billion
light-years away, when the universe was only about 400 million years old - or about three percent of its present age
Alternatively, to understand slightly older growing galaxies that are not so far away, observing in ultraviolet light is best The hottest and youngest stars
give off huge amounts of ultraviolet light making them easy to spot at those wavelengths of light Most recently, a team of astronomers led by Harry
Teplitz of Caltech used the ultraviolet-sensing abilities of Hubble's Wide Field Camera 3 to add the ultraviolet piece to this view of the HUDF With this
part of the galaxy evolution picture in hand, astronomers are investigating how galaxies grew through bursts of star formation and exactly where when
and how many stars formed over time
Because our atmosphere blocks or absorbs most infrared and ultraviolet light that reaches Earth only a telescope in space, like Hubble, can provide
such insights into the history of galaxies Without both infrared and ultraviolet light, the tale is incomplete.
Answers
Answer:
the inly question i understood ::::: Why is it important to have range of tools that can measure all parts of the electromagnetic spectrum
ans
Because the electromagnetic spectrum comprises different types of electromagnetic radiation (radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays), all of which have different wavelengths and require different tools to measure them.
The Georgia coastal islands are eroding. In your own words, what would you do to control the erosion?
Answers
Answer:
Build walls
Explanation:
How does a Covalent Bond Form? ( No goo.gle ik the goo.gle answer cause i tryed looking it up if you put tht answer u wont get brainliest)
Answers
Answer:
A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions. Shared electrons located in the space between the two nuclei are called bonding electrons. The bonded pair is the “glue” that holds the atoms together in molecular units.
Answer:
A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions. Shared electrons located in the space between the two nuclei are called bonding electrons. The bonded pair is the “glue” that holds the atoms together in molecular units.
Explanation:
Which gland is named for a nearby prominent cartilage?.
Answers
Answer:
thyroid cartilage I think
Explanation:
The thyroid cartilage is a hyaline cartilage structure that sits in front of the larynx and above the thyroid gland. The cartilage is composed of two halves, which meet in the middle at a peak called the laryngeal prominence, also called the Adam's apple.
Eyewash units: Group of answer choices must be wall mounted. irrigate the eyes with a strong, narrow flow of water, to bathe away contaminants. must be flushed yearly to reduce microbial content in the waterline, according to some manufacturers. must be installed in every workplace where chemicals are used, according to OSHA regulations.
Answers
The correct statement regarding eyewash units is that they must be wall mounted.
Eyewash units are emergency equipment designed to irrigate the eyes with a strong, narrow flow of water in order to rinse away contaminants that may have entered the eyes. They are typically installed in workplaces where there is a risk of chemical exposure or other eye hazards. While regular maintenance and flushing of eyewash units are important for ensuring their proper function and reducing microbial content, the specific frequency of flushing may vary depending on the manufacturer's recommendations and workplace regulations. It is important to consult relevant guidelines, such as those provided by the Occupational Safety and Health Administration (OSHA), to determine the specific requirements for eyewash unit installation and maintenance in a given workplace.
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ANSWER IF YOU SEE THIS ITS URGENTTT PLEASE ANSWER IF YOU KNOW THE ANSWER ITS A LEVEL BIOLOGY WILL MARK BRAINLIEST TO A GOOD ANSWER THAT EXPLAIN IT WELL!
Which of these chemical formulae represents a dissacharide? justify your answer
a.) C6H12O6
b.) C5H10O5
c.) C10H18O9
d.) C12H24O12
Answers
The chemical formula that represents a disaccharide is \(C_{12}H_{24}O_{12}\). The correct option is D.
What is a disaccharide?A disaccharide is a simple sugar that consists of 2 units of monosaccharides. The 2 monosaccharides are joined together by a glycosidic linkage.
The simplest monosaccharides have the chemical formula \(C_6H_{12}O_6\). Examples of these monosaccharides include glucose, fructose, and galactose.
This means that the ratio of C to H to O in monosaccharides is 1:2:1.
A disaccharide will have 2 units of monosaccharides. This means that the ratio of C to H to O would remain 1:2:1. The only chemical formula that fulfills this criterium is \(C_{12}H_{24}O_{12}\).
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how plants sense herbivory and respond by increasing gene transcription of defense genes jasmonic acid upiquitin
Answers
Plants sense herbivory through various mechanisms, including the detection of herbivore-associated molecules or damage-associated molecular patterns.
Upon sensing herbivory, plants activate defense responses by increasing the transcription of defense genes. One key signaling molecule involved in this process is jasmonic acid.
Jasmonic acid signaling pathway is triggered, leading to the activation of defense-related genes. Another important response is the upregulation of ubiquitin, which plays a role in protein degradation and turnover, potentially involved in modifying and activating defense-related proteins.
These coordinated responses help plants defend against herbivory and enhance their ability to withstand or deter further damage.
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State the 4 motor areas of the cortex
Answers
Answer: posterior parietal, dorsolateral pre- frontal, secondary motor, and primary motor cortex.
Answer:
The motor cortex comprises three different areas of the frontal lobe, immediately anterior to the central sulcus. These areas are the primary motor cortex (Brodmann's area 4), the premotor cortex, and the supplementary motor area (Figure 3.1).
Explanation:
Hope it helps!
Which of the following is NOT true about cytokinesis?
A. Begins in anaphase and continues on through telophase
B. Nuclei have taken on the appearance of interphase nuclei
C. Is the process whereby the cytoplasm of a single cell is divided to
spawn two daughter cells
D. Is first seen when the cell begins to pucker in, a process called
furrowing
Answers
Answer: A
Explanation:
I hope this helps!
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Thank you.
After Pavlov had conditioned his dogs to salivate to the bell, he repeatedly presented the bell without presenting the food. As a result, which of the following occurred?
a. Stimulus generalization.
b. Stimulus discrimination.
c. A spontaneous recovery.
d. Extinction.
Answers
After Pavlov had conditioned his dogs to salivate to the bell, repeatedly presenting the bell without presenting the food would result in the process of extinction. Therefore, the answer is d. Extinction.
Pavlov's classical conditioning experiment involved pairing a neutral stimulus (a bell) with a biologically significant stimulus (food) until the neutral stimulus alone became associated with the response (salivation) that was previously only elicited by the biologically significant stimulus (food). After conditioning, the bell alone was able to elicit salivation in the dogs.
To investigate the process of extinction in classical conditioning, Pavlov repeatedly presented the bell (neutral stimulus) without presenting the food (biologically significant stimulus). Over time, the dogs learned that the bell no longer predicted the arrival of food, and the association between the bell and salivation weakened. This process of weakening of the conditioned response due to the repeated presentation of the conditioned stimulus without the unconditioned stimulus is called extinction.
In summary, extinction is the process of weakening the conditioned response by repeatedly presenting the conditioned stimulus without the unconditioned stimulus. Therefore, in Pavlov's experiment, the presentation of the bell without food resulted in extinction of the conditioned response, which was salivation in dogs.
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If a jar is placed over a plant with plastic covering the soil and exposed to sunlight, what should be observed inside of the jar at the end of a few days
Answers
If a jar is placed over a plant with plastic covering the soil and exposed to sunlight for a few days, the most likely observation would be that the air in the jar will be moist.
The plastic covering acts as a barrier, preventing moisture from escaping, leading to condensation within the jar. As the plant undergoes photosynthesis, it releases water vapor into the surrounding air, creating a humid environment inside the jar.
However, the soil may not necessarily be moist, as the plastic covering prevents water evaporation from the soil surface. The plant is unlikely to die from lack of carbon dioxide since it can recycle the available carbon dioxide within the jar through the process of respiration and photosynthesis.
The air in the jar is expected to have a similar oxygen content as the surrounding environment, as plants release oxygen as a byproduct of photosynthesis.
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Complete question :
If a jar is placed over a plant with plastic covering the soil and exposed to sunlight, what should be observed inside of the jar at the end of a few days?
-The air in the jar will be moist.
-The soil will be moist and air in the jar will be dry.
-The plant will be dead from lack of carbon dioxide.
-The air in the jar will be low in oxygen.