Answers
Answer:
Convection
Explanation:
Definition
convection- the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
Related Questions
Carbon dioxide combines with which cell types for elimination from the body?erythrocytesSurfactantIncreased respiratory rate
Answers
Carbon dioxide combines with erythrocytes, or red blood cells, for elimination from the body.
The process involves carbon dioxide being transported to the lungs, where it is expelled during exhalation. This process is facilitated by an increased respiratory rate, which helps to remove more carbon dioxide from the body.
Surfactant, while not directly involved in the elimination of carbon dioxide, plays a crucial role in maintaining lung function and preventing the collapse of alveoli, the tiny air sacs in the lungs where gas exchange occurs.
In summary, carbon dioxide is eliminated from the body by combining with erythrocytes and being expelled through the lungs with the assistance of an increased respiratory rate and surfactant.
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Select the correct answer why night two elements posses similar chemical properties? A. They belong to the same group of the periodic table. B. They have the same physical state ? C. They have similar physical properties D. They belong to the same period of the periodic table
Answers
Answer:
Option A
Explanation:
They belong to the same group of the periodic table. This is because their atoms have the same number of electrons in the highest occupied energy level.
Of the enzymes of the citric acid cycle, which is not a freely soluble enzyme?
A. Succinate dehydrogenase
B. Citrate synthase
C. Malate dehydrogenase
Answers
The enzyme that is not freely soluble in the citric acid cycle is succinate dehydrogenase.
Unlike the other enzymes in the cycle, which are soluble in the mitochondrial matrix, succinate dehydrogenase is bound to the inner mitochondrial membrane.
This enzyme catalyzes the conversion of succinate to fumarate and plays a crucial role in both the citric acid cycle and the electron transport chain.
By being bound to the inner mitochondrial membrane, succinate dehydrogenase is able to transfer electrons directly to the electron transport chain and produce ATP.
This localization of the enzyme also helps to maintain the proton gradient necessary for ATP synthesis.
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Do you think that the way continents fit together is convincing evidence for the theory of plate tectonics? Why or why not?
Answers
Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together
What is plate tectonic theory?Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth's subterranean movements. The theory, which solidified in the 1960s, transformed the earth sciences by explaining many phenomena, including mountain building events, volcanoes, and earthquakesAlfred Wegener in Greenland. Plate tectonics is the theory that Earth's land masses are in constant motion. The realization that Earth's land masses move was first proposed by Alfred Wegener, which he called continental drift. He is shown here in Greenland.. Plate tectonics is a theory because it provides an explanation of why and how segments of the earth move and cause earthquakes and mountains and volcanos.To learn more about plate tectonic theory refers to:
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What happens to the total mass of the chemicals
involved in the reaction as the reaction proceeds?
The mass decreases. After the reaction, the
solution and gas have less mass than the
baking soda and vinegar.
The mass increases. After the reaction, the
solution and gas have more mass than the
baking soda and vinegar.
The mass is the same. After the reaction, the
solution and gas have the same mass as the
baking soda and vinegar.
Answers
Answer:
The mass increases. After the reaction, the solution and gas have more mass than the baking soda and vinegar (B)
Explanation:
The mass increases. After the reaction, the solution and gas have more mass than the baking soda and vinegar (B).
What happens to the full mass of the chemical substances on the give up of chemical reaction?In a chemical response, the overall mass of all the materials taking elements inside the reaction stays identical. also, the quantity of atoms in response remains identical. Mass can not be created or destroyed in a chemical response.
How will the mass of the system alternate as the reaction proceeds?If a chemical reaction is finished in a closed gadget (when nothing greater can get in and nothing can escape), then the mass will stay steady. but, if the chemical reaction occurs in an open device (where air can get inside and outside), then mass might also seem to trade.
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A long, hairlike structure used for
movement?
Answers
Answer:
Flagella
Explanation:
Flagella s used for movement in cells but ressembles
Plants take energy
from the sun
and make food, which for plants is
Answers
Answer:
Photosynthesis
Explanation:
Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.
Answer:
\(\boxed {\boxed {\sf Glucose}}\)
Explanation:
Plants (plus some bacteria and algae) are autotrophs and undergo a process called photosynthesis.
They obtain light energy from the sun and capture it using a green pigment called chlorophyll, water from the soil is drawn up through the roots with capillary action, and carbon dioxide diffuses into stoma on leaves.
Then, in the chloroplast, these substances are turned into oxygen and glucose. Both of these are used in cellular respiration, which creates energy for the plant to grow and carry out cellular and biological functions. Therefore, glucose is often called "food" for the plant.
You turn on a light so you can get a glass of water. At the moment the light turns ON, the amount of GTP bound to the Go subunit of trimeric G proteins a does not change b decreases c increases
Answers
Accordingly, when you turn on a light to get a glass of water, the amount of GTP bound to the Go subunit of trimeric G proteins does not change.
When you turn on a light to get a glass of water, the amount of GTP bound to the Gα subunit of trimeric G proteins does not change. The processes of light activation and GTP binding to G proteins are unrelated, so turning on a light would have no effect on GTP levels. Therefore, the correct answer is (a) does not change.
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When you turn on a light to get a glass of water, the amount of GTP bound to the Go subunit of trimeric G proteins increases. Therefore, option (c) increases is the correct option.
When the light turns ON, the amount of GTP bound to the Go subunit of trimeric G proteins increases.
This is because the light activates the G protein-coupled receptor (GPCR).
The receptor undergoes a conformational change, and the alpha subunit of the trimeric G protein dissociates from the beta and gamma subunits.
The GTP displaces the GDP, which causes the alpha subunit to bind to an effector protein. The effector protein converts GTP to GDP and, in the process, activates a signaling pathway.
Therefore, it can be concluded that the amount of GTP bound to the Go subunit of trimeric G proteins increases when you turn on a light.option (c) increases is the correct option.
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A sequence of code reads AUGCGU. After a mutation it reads AUGCAU. This type of mutation is a
chromosomal mutation.
frameshift mutation.
nonsense mutation.
silent mutation.
missense mutation.
Answers
The sequence of code AUGCGU changed to AUGCAU after a mutation, which is a missense mutation.
A missense mutation is a type of point mutation that results in the substitution of one nucleotide for another, resulting in a change in the amino acid sequence of the protein encoded by the gene. In this case, the codon that coded for the amino acid arginine (CGU) was changed to a codon that codes for histidine (CAU). This can result in changes to the function and structure of the protein.
Mutation is a process in which the DNA sequence of an organism is changed. This can occur spontaneously or as a result of exposure to mutagens, such as chemicals or radiation. Mutations can affect a single nucleotide or can involve the insertion, deletion or rearrangement of larger stretches of DNA. Mutations can have various effects on an organism, including no effect, a beneficial effect, or a harmful effect. Some mutations can cause genetic disorders, while others can give rise to new traits that provide an advantage in a particular environment. Mutations can occur in any cell in the body, but only those that occur in cells that give rise to eggs or sperm can be passed on to offspring.
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the rod-shaped (chlamydias/brucella/rickettsias) are intracellular parasitic members of the alphaproteobacteria. group of answer choices rickettsias chlamydias brucella
Answers
The rod-shaped intracellular parasitic bacteria that belong to the alphaproteobacteria group are called rickettsias.
This type of bacteria is known to cause diseases such as Rocky Mountain spotted fever and typhus. Identifying which rod-shaped intracellular parasitic member of the alphaproteobacteria group is being referred to among these choices: rickettsias, chlamydias, and brucella.
Rickettsias and Chlamydias are not part of the alphaproteobacteria group and have different characteristics. Rickettsias are a group of bacteria that cause diseases such as Rocky Mountain spotted fever and typhus, while Chlamydias are responsible for causing infections like chlamydia and trachoma.
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Studies of topsoil erosion on Iowa farmland shows that as much as 50 metric tons are lost per hectare during winter and spring rains. This loss is due to the loss of millimeters of soil from across the entire surface of the fields. Which type of erosion would this be?
Answers
Answer:
The type of erosion described in the question is called Water Erosion.
Explanation:
Note that the erosion is caused by winter and spring rains.
Water Erosion can happen when raindrops disintegrate the aggregates of the topsoil. The fragments collect into the soil pores and create a coagulating action which makes it difficult for the water to penetrate the soil. The rainwater having increasingly accumulated on the surface flows off along with the topsoil.
This type of erosion can be further aggravated if:
the rainfall is very heavy;the terrain has a steep gradient thus increasing the velocity of runoffthe soil type has a lower capacity to erosionCheers!
If you randomly removed a somatic cell from the human body, odds are that it would ________.
A. Have been produced by meiosis
B. Be haploid
C. Have 46 chromosomes
D. Have 23 chromosomes
Answers
The correct answer to the given question is option C - Have 46 chromosomes.
Somatic cells are diploid, meaning they have two sets of chromosomes (one set from each parent) and undergo mitosis to divide. Meiosis, on the other hand, produces haploid cells with only one set of chromosomes, such as gametes (sperm and egg cells). Genomes are intrinsically unstable because the germ line requires DNA sequence variation to support natural selection-based evolution. Genome mosaics are produced in somatic tissues as a result of the accumulation of mutations throughout growth and ageing. With the exception of cancer, nothing is known regarding the potential causal contribution of elevated somatic mutation burdens to late-life disease and ageing. Due to their low, individual abundance, characterising somatic mutations and their functional effects in normal tissues remains a tough problem. In this section, I'll give a quick overview of what we now know about somatic mutations in people and animals as they relate to ageing, how they develop and create genomic mosaicism, the technology to study somatic mutations, and any potential connections between somatic mutations and non-clonal diseases.
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Alice NotWell presents a hand-written prescription for a controlled substance. She hands you the prescription and you enter her name into Rx Connect, but you still have a few questions about it. Where can you find out if the prescription was written on a tamper- proof Rx pad?
O Go ask Alice if it was written on a tamper-proof Rx pad.
O Hold it under the ID scanner to check for an imprint
O Review tamper-proof features on RxNet.
OAll written prescriptions are tamper-proof so there's no need to verify
Answers
To find out if the prescription was written on a tamper- proof Rx pad review tamper-proof features on RxNet. Option C
What is the prescription for controlled substances?We know that a prescription has to do with the recommendation that a doctor has written for a patent to be able to purchase and use certain drugs. We know that not all the drugs can be sold across the counter. The drugs that can not be sold across the counter are called the controlled drugs.
We know that many times, there is need to write the prescription of a controlled controlled drug on a tamper-proof Rx pad so that it can not be falsified.
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What does relative humidity measure?
O the amount of water in cirrus clouds
O the amount of water that has evaporated into the air
the amount of frozen water that has condensed from the air
O the amount of water vapor in the air compared to the amount the air can hold
{worth 10 points!}
Answers
Relative humidity measures the amount of water vapor in the air compared to the amount the air can hold.
What do you mean by relative humidity?Relative humidity is a percentage that represents the amount of water vapor in the air at a given temperature compared to the max possible water vapor amount at that same temperature.
Relative humidity also measures water vapor, but relative to the temperature of the air. For instance, relative humidity of 25 percent means that air is at a quarter of its possible water vapor capacity.
Relative humidity is strongly proportional to temperature and highly sensitive to temperature changes. This means that if you have a stable temperature in your system, your RH will also be stable.
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What type of mutation occurs when part of a chromosome is missing after replication?
Answers
Answer:
The correct answer is deletion
Explanation:
It occurs when a chromosome breaks and some genetic material is lost.
What is carbon emissions responsible for?
Answers
Answer:
Carbon dioxide (CO2) makes up the vast majority of greenhouse gas emissions from the sector, but smaller amounts of methane (CH4) and nitrous oxide (N2O) are also emitted. These gases are released during the combustion of fossil fuels, such as coal, oil, and natural gas, to produce electricity.
Explanation:
What can Carbon do?
Carbon emissions affect the planet significantly, as they are the greenhouse gas with the highest levels of emissions in the atmosphere. This, of course, causes global warming and ultimately, climate change. Carbon dioxide is released into the atmosphere when fossil fuels — coal, natural gas, and oil — are burned.
cell, tissue, organ, organ system, and organism how can they relate to a school
Answers
Answer:
same way a group of similar cells make a tissue, a group a students/ pupils make a class...
Write three advantages of breathing through the nose than through the mouth
Answers
Answer:
reduce exposure to foreign substances. humidify and warm inhaled air. increase air flow to arteries, veins
What are some of the CELLULAR FUNCTIONS that a cell membrane participates in?
Answers
Answer:
There are two main functions
Explanation:
First, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Answer:
1. Selective permeability: The cell membrane acts as a barrier, allowing certain molecules to enter and exit the cell while preventing others from passing through.
2. Signal transduction: The cell membrane is involved in the transmission of signals from outside the cell to the inside, allowing the cell to respond to its environment.
3. Cell-cell recognition: The cell membrane contains proteins that allow cells to recognize each other and interact with one another.
4. Endocytosis and exocytosis: The cell membrane is involved in the process of endocytosis, which is the uptake of molecules from outside the cell, and exocytosis, which is the release of molecules from inside the cell.
5. Cell adhesion: The cell membrane contains proteins that allow cells to adhere to one another and form tissues.
Explanation:
help plsss
i need 5 innate and 5 learned behaviors of brown bears or just bears in general
15 points!
Answers
Answer:
Learned:
Hunting for food
swimming
climbing
Innate:
caring for offspring
Explanation:
How is good (stratospheric) ozone formed?
answer is b
Answers
Answer:
Explanation:
it is formed naturally through chemical reactions using solar ultraviolet radiation and oxygen molecules
Which of the following is NOT associated with Staphylococcus aureus?
Group of answer choices
Coagulase
Catalase
DNase
pyocyanin
α-toxin
Answers
Of the following options, pyocyanin is NOT associated with Staphylococcus aureus.
Staphylococcus aureus is a bacteria that can cause a wide range of infections in humans.
Coagulase is an enzyme produced by Staphylococcus aureus. It plays a role in the clotting of blood plasma by converting fibrinogen into fibrin, which helps the bacteria evade host immune responses and form protective barriers around themselves.
Catalase is an enzyme produced by Staphylococcus aureus. It helps the bacteria break down hydrogen peroxide, which is a byproduct of cellular metabolism and can be toxic to the bacteria. By producing catalase, Staphylococcus aureus protects itself from the damaging effects of hydrogen peroxide.
DNase is an enzyme produced by Staphylococcus aureus. It is capable of breaking down DNA molecules, which can be beneficial for the bacteria in various ways. For example, it can help the bacteria avoid being trapped in extracellular DNA-based structures like neutrophil extracellular traps (NETs), which are part of the immune response.
Pyocyanin is a blue pigment produced by Pseudomonas aeruginosa, a different bacterial species. It is not associated with Staphylococcus aureus. Pseudomonas aeruginosa is another opportunistic pathogen that can cause infections, particularly in individuals with compromised immune systems.
α-toxin, also known as alpha-toxin or alpha-hemolysin, is a potent toxin produced by Staphylococcus aureus. It plays a significant role in the virulence of the bacteria and can cause damage to host cells by disrupting cell membranes, leading to tissue destruction and immune evasion.
So, to summarize, while Coagulase, Catalase, DNase, and α-toxin are associated with Staphylococcus aureus, Pyocyanin is not. Pyocyanin is produced by Pseudomonas aeruginosa instead.
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Question: Give an example of how energy flows.
Answers
Energy flow is the amount of energy that moves through a food chain.
An exampleof energy flow in an ecosystem would begin with the autotrophs that take energy from the sun. Herbivores then feed on the autotrophs and change the energy from the plant into energy that they can use.
Describe the scientific evidence supporting the idea that all life has evolved from a common ancestor. Include a little bit about human evolution too.
Answers
for humans, we are evolved from the great apes. we are called homo sapiens
One cause of tsunamis is earth quakes in the ocean floor. In the image, which point represents the hypocenter of an underwater earthquake
Answers
Point D represents the hypocenter of an underwater earthquake.
What is Earthquake?An earthquake may be defined as an impulsive damaging trembling of the ground, generally provoking significant collapse, as a result of activities within the earth's crust or volcanic movement.
Hypocentre or focus is the point from which an earthquake initiates and causes sudden destructions. The point exactly above the hypocentre is called the epicenter. Here, point D represents the hypocenter, while point B represents the epicenter.
Therefore, it is well described above.
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Compared with mitosis, the process of melosis results in daughter cells that are?
Answers
Answer:
Cells divide and reproduce in two ways, mitosis, and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells.
Explanation:
in a cell-free system, what other components would you have to provide for this virus to express 14) its genes?
Answers
Most cell-free expression systems use crude cell lysates, which have many more enzymes than the essential components of gene expression.
Chaperones and the majority of central metabolism are present in modern E. coli lysate-based systems, which boosts protein yields and product titers.
Platforms that allow testing biological systems outside of cells are referred to as cell-free systems. This barrier is not present in a cell-free sensing system, making it possible to detect molecules like viral RNA with relative ease. Not (yet) high-throughput - Cellular platforms, which efficiently package genetic instructions together with their output, are well-suited for high-throughput flow-cytometry and NGS-based genetic characterisation research.
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toddlers begin to recognize gender differences by observing their role model. true or false
Answers
The statement is True. Toddlers begin to recognize gender differences by observing their role models.
Toddlers are highly observant and learn by imitating the behaviour of those around them, particularly their role models. Gender is one of the first social categories that children become aware of, and they start to recognize the differences between males and females early on.
They observe the behaviours, clothing choices, and activities of their parents, siblings, and other significant individuals in their lives, and through these observations, they begin to form a concept of gender. These early experiences contribute to the development of their own gender identity and understanding of societal gender roles. Therefore, it is true that toddlers begin to recognize gender differences by observing their role models.
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Some flowering plants are pollinated by honeybees. At some time in the past, honeybees evolved the ability to see ultraviolet radiation. Some flowers have evolved to produce ultraviolet markers on their petals that direct honeybees to the reproductive parts of the flower. What is this an example of?
Answers
Answer:
Coevolution
Explanation:
Just took the test and got it right
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The example of flowers evolving to produce ultraviolet markers on their petal in response to the ability to see ultraviolet radiation in honeybees is that of coevolution.
According to a definition, coevolution refers to reciprocal changes in 2 or more living organisms that are involved in some forms of interactions.
In other words, it is the development of certain characteristics by one organism in response to characteristics developed by another based on the fact that the two organisms interact in some ways.
In the illustration, some flowering plants depend on honeybees for pollination. Thus, as the honeybees developed the ability to see ultraviolet radiation, flowers had to evolve ultraviolet markers so as to keep guiding the honeybees to them and keep the relationship going.
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list the following colored events in the order in which they occurred (see attached image)
thank you :)
Answers
Answer:
Explanation:
P, B, G, P