Answers
The cell cycle involves the interphase, cell division, and cytokinesis. processes. A- Telophase, B- Anaphase, C- Metahase, D- Prophase, E- Interphase. The phase we can not see is cytokinesis.
What is the cell cycle?
The cell cycle is composed of three main stages: the interphase, cell division, and cytocinesis.
During the interphase, the cell prepares to divide. It duplicates its size and content, including genetic material. This phase is divided into three stages: G1, S, and G2 stages.
After the interphase the cell goes through division,
somatic cells and germ cells → mitosis germ cells → meiosisMitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced.
Mitosis occurs in only one phase.
In the prophase, it occurs chromosome condensation and nuclear membrane breaks. During the metaphase, fibers of the spindle apparatus capture chromosomes and take them toward the center of the cell, to the equatorial plane, where they line up.Each chromatid joins with a microtubule of opposites poles.
Sister chromatids are held together until they reach the Anaphase, during which other enzymes are activated to break the bonds and separate the chromatids, which migrate to the opposite poles. In telophase, the duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.Finally, occurs cytokinesis.
In the exposed image we can see a piece of tissue and different cells in different division stages.
A- Telophase ⇒ we can see the uncondensed chromosomes already in the poles.
B- Anaphase ⇒ we can see chromatids migrating to the opposite poles.
C- Metaphase ⇒ We can see the chromosomes aligned in the equatorial plane
D- Prophase ⇒ We can see chromosomes in the nucleous before the nuclear membrane breacks. The nucleolus is not visible anymore.
E- Interphase ⇒ The nucleus is still well-defined and the nucleolus is visible.
Cytokinesis is the stage we can not see. This might probably be because,
neither of the cells has reached this stage yet or has already occurred. the used stain does not show the cytoplasm.
Cytokinesis should be seen as a thin, light membrane separating cytoplasm and the new nuclei.
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Related Questions
Examine the graph and choose which of the following analyses are correct
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Aerobic exercise uses enough oxygen for oxidative phosphorylation in the mitochondria of our muscles.
Explain how the products of cellular respiration change as we push our bodies harder. How does this affect our ability to continue exercising?
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Aerobic is one that uses oxygen in the process of generating energy in the muscles. This type of exercise works a large number of groups rhythmically.
What happens in aerobic respiration?
Aerobic respiration is the one that participates in the control and can be probable in three steps: analysis of glycolysis, Krebs cycle and oxidative phosphorylation. When breathing, we soon imagine the inflow of oxygen and the outflow of carbonic acid through our airways.
With aerobic cellular breathing, more and more ATP is broken down so that it generates more energy so that we can continue to perform the exercises. This energy causes cells to break down fats.
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Earth scientists have concluded that the methods of harnessing energy that have been used over the past tWO
centuries, such as the burning of fossil fuels, are causing climates around the world to change more quickly and
suddenly than ever before in human history. Evidence includes increased air temperatures, rising sea levels, and the
shrinking of glaciers in Greenland, Alaska, and other regions of Earth. The most complex level of organizational
hierarchy that climate change could potentially affect is Earth's
O biosphere.
O communities.
O organisms.
O populations.
Answers
Answer:
populations
Explanation:
In humans, XO individuals are females with Turner syndrome and XXY individuals are males with Klinefelter syndrome. Red green color blindness is caused by an X-linked recessive allele. Suppose a colorblind man and a normal woman with no family history of color blindness married and had a daughter who was colorblind and had Turner syndrome.
1. Which event could have given rise to this offspring?
A) Nondisjunction at meiosis II in the mother.
B) Nondisjunction at meiosis I in the father.
C) Nondisjunction at meiosis l in the mother.
D) Nondisjunction at meiosis II in the father.
E) Nondisjunction at either meiosis I or meiosis II in the mother.
Answers
Answer:
The correct answer is option E) "Nondisjunction at either meiosis I or meiosis II in the mother".
Explanation:
Nondisjunction is a phenomena at which chromosomes are not properly separated during anaphase. This can either happen at meiosis I or meiosis II during oogenesis. Nondisjunction would explain the XO chromosomic condition of the daughter with Turner syndrome as well as the X-linked recessive allele of the red green color blindness. Nondisjunction happened in the mother because the father could not inherited an X-linked condition.
Helpppp I need to put these in my own words!!!NO LINKS
Answers
Answer: Meteoroids are known as meteorites if they didn’t burn up during trip down to earth. Meteors, commonly called “shooting stars,’ are the meteoroids that did burn up when entering the earth’s atmosphere.
Explanation: Hope this helps. :)
About of the body's energy needs at rest is supplied by fat.
a. 10 percent
O b. 25 percent
O c. 35 percent
O d. 60 percent
O e. 75 percent
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Hope this helps
What is the Punnett square for ocular albinism?
Answers
Answer:
genetic condition that primarily affects the eyes. Explore symptoms, inheritance, genetics of this condition
NEED HELP ON QUESTION ASAP! !
If answer is correct I'll rate you five stars a thanks and maybe even brainliest!
Please can you explain what this paragraph is trying to say. Also what does it mean in the sentence 'the difference in charge across the battery provides push for current' and what is the difference in charge.
Here's paragraph I need to have a simple definition of:
A high waterfall is also like a large voltage. It will transfer a lot of energy to the water (charge), making the river flow very fast (a large current) the difference in height makes the river flow. In a circuit , the difference in charge across battery provides push for the current.
Answers
Answer:
This paragraph is drawing an analogy between a high waterfall and an electric circuit to explain the concept of voltage and current.
It is saying that a high waterfall has a lot of potential energy that can transfer to the water and cause it to flow very fast, which is similar to how a large voltage in an electric circuit can create a large current. The difference in height of the waterfall causes the water to flow, just as the difference in charge across a battery provides the push or force for the current to flow in a circuit.
In an electric circuit, voltage is the measure of the electric potential difference between two points, and it is measured in volts. Current is the flow of electric charge through the circuit, and it is measured in amperes or amps. The difference in charge across the battery refers to the potential difference or voltage between the positive and negative terminals of the battery, which creates an electric field and provides the force or push for the current to flow through the circuit.
Brainlist Please
This paragraph is using an analogy between a high waterfall and a large voltage to explain the concept of voltage and current in a circuit.
The paragraph starts by comparing a high waterfall to a large voltage. Just as a high waterfall transfers a significant amount of energy to the water, a large voltage in a circuit transfers a significant amount of energy to the flow of electric charge.
The energy transfer in the waterfall causes the river to flow very fast, which is likened to a large current in a circuit.
The "difference in height" in the waterfall analogy refers to the variation in elevation between different points in the waterfall. This difference in height creates a force that propels the water downstream, causing the river to flow. Similarly, in a circuit, the "difference in charge" refers to the disparity in electric charge between two points in the circuit.
This difference in charge, also known as voltage, provides the "push" or driving force for the flow of electric current. It is this voltage difference across the battery that causes the electric current to move through the circuit.
In summary, the paragraph illustrates that just as a high waterfall with a significant difference in height creates a fast-flowing river, the difference in charge (voltage) across a battery in a circuit provides the driving force (push) for the flow of electric current.
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what is the answer of this question?
Answers
Answer:
(A) temporary allergy to milk products has developed
5. Albinism is a failure to produce the enzyme needed to make melanin. It is recessive to normal pigmentation. An albino woman whose father is albino and mother normal, marries a normal man, one of whose parents is normal and the other albino. He has an albino sister. The couple have a normal daughter. Identify all genotypes and phenotypes. What is the probability of a heterozygous dominant parent and a recessive parent having an affected boy if a particular trait is autosomal recessive?
Answers
The genotypes that are involved are AA and aa
The probability of a hete--rozygous dominant parent and a recessive parent having an affected boy if a particular trait is autosomal recessive is 50%
What is albinism?We can infer that the daughter must have the genotype Aa given that the dominant allele (A) is required for normal pigmentation and the couple has a daughter who is normal.
Let's think about the following in relation to the second query concerning the likelihood of an affected boy having het---erozygous dominant parent (Aa) and a recessive parent (aa) if the trait is autosomal recessive:
The affected boy would need both copies of the recessive gene (aa) if the characteristic is autosomal recessive in order to display it.
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if the temperature increases, then the dissolved oxygen level will _____________ because _______________
Answers
Answer: Lower levels of dissolved oxygen
Explanation:
it lowers the level of dissolved oxygen causing the molecules are moving faster * do to matter*
Histoplasmosis is a disease of
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Answer:
Histoplasmosis is an infection caused by a fungus called Histoplasma. The fungus lives in the environment, particularly in soil that contains large amounts of bird or bat droppings.Got it from the internet.
6.
Perform transcription by using the following piece of DNA.
Introns are underlined. Write the final strand of mRNA created.
TACCGIA CA ATG G GATC CouTube
Answers
Answer:
A-T-G-G-T G-T T-A-C C C-T-A-G
Explanation:
TACCGIA CA ATG G GATC
A-T-G-G-T G-T T-A-C C C-T-A-G
The "I" in the first few letters shouldn't probably be there since there are only 4 bases: A, T, C, and G.
What is the surface of the Earth called?
Crust
Mantel
Inner core
Outer core
Answers
Answer:
crust
Explanation:
What is the relationship between segments and septa?
Answers
Segments and septa are related anatomical structures found in various organisms, particularly in arthropods and annelids.
Segments: Segments are the division of the body into distinct repetitive units, often externally visible as repeated body parts. Examples include earthworms, millipedes, centipedes, and insects.
Septa: Septa are partitions or walls that separate individual segments or compartments within an organism's body, providing structural support and creating distinct compartments. They can be found internally or externally, dividing the body surface into discrete units.
Organisation, structure, and coordination are provided by segments and septa within the bodies of segmented organisms, enabling specialised functions within each segment while preserving the integrity of the entire body. Depending on the organism and the purpose they serve, septa may be membranous or more rigid in structure. Septa in segmented animals provide support and stop internal structures from moving or being displaced, preserving the integrity and functionality of each segment.
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A displacement reaction is when the different parts of compounds swap due to changes in?
Answers
Answer:
Explanation:
A displacement reaction occurs when a more reactive element displaces, or pushes out, a less reactive element from a compound that contains the less reactive element
The National Wildlife Refuge supports ______ wildlife refuges
A) 150
B) 37
C) 550
D)227
Answers
The National Wildlife Refuge supports more than 550 wildlife refuges till now.
What do you mean by Wildlife refuges?Wildlife refuges may be defined as an area designated for the protection of wild animals, within which hunting and fishing are either prohibited or strictly banned.
Wildlife refugees protect the population of endangered as well as vulnerable species. It takes care of all such species that are at a higher risk of extinction.
Therefore, the National Wildlife Refuge supports more than 550 wildlife refugees till now.
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Which part of plate tectonics do the pieces of paper represent? Convection currents heat from Earth's core _____ plate boundaries
Which part of plate tectonics does the movement of food coloring represent? _____ heat from Earth's core Earth's plates plate boundaries
Which part of plate tectonics does the candle represent? Convection currents _____ Earth's plates plate boundaries
Answers
No aspect of plate tectonics is represented by the bits of paper. They could be used in a lesson to demonstrate how tectonic plates move, but they are not part of the real Earth system.
In plate tectonics, what role do convection currents play?Convection currents in the planet's fluid, molten core cause the Earth's rigid tectonic plates to move. Seafloor spreading is the process of tectonic plates moving apart in regions where convection currents flow up towards the surface of the crust.
What drives the Earth's convection currents?Convection currents are heat-driven cycles that occur in the atmosphere, ocean, and mantle. They result from a differential in temperature, frequently as a result of different closeness to a heat source.
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The table above lists many features of an ecosystem in the taiga biome. Based on this table, what are the abiotic features of the taiga? A. mountains, lakes, spruce trees, fir trees, pine trees, mosses B. mountains, lakes, wide range of temperature, very little annual rainfall C. bears, foxes, raccoons, birds, insects, pine trees, fir trees, spruce trees, mosses D. wide range of temperature, very little annual rainfall, foxes, bears, raccoons, birds, insects
Answers
Answer:
The answer is C
Explanation:
I don't think it is B because it lists mountains and lakes. Remember it is asking for biotic features. "The biotic factors of an ecosystem are the living components. Plants, animals, and all of the other organisms that live in an ecosystem are biotic factors."
Also, for the people who have this question on study island answer C is correct. I did B because I thought I was wrong but actually no, I was correct lol so B does not make any sense at all.
A wind-pollinated plant has which features? (1mark)A) large anthers, coloured petals and produces nectarB) large petals, small anthers and a sticky stigmaC) small petals, large anthers and a feathery stigmaD) small petals, produces nectar and has a strong scent
Answers
The best option would be the letter C) small petals, large anthers, and a feathery stigma
6-The Cavendish banana--the bright yellow one we have all seen and probably eaten is not as tasty as the wildly grown Gros Michel variety. So, why did it become the more popular and traded or sold banana?
Answers
Answer:
The Gros Michel variety is less known, smaller, and some people think it probably has unknown toxins in it
Explanation:
Answer: A
Explanation:
The nervous system of bats enables their amazing sensory capabilities and also highlights some o
the levels of biological organization. Put each element of bat vision in order from least to most
complex.
Start by clicking the first item in the sequence or dragging it here
Drag the items below into the box above in the correct order, starting with the first item in the sequence.
The retina of bats is made up primarily of rod cells, allowing bats to see well in dim light.
The optic nerve conveys the sensory information from the bat's eye to the visual cortex of the
brain.
Nitrogen is a necessary atomic element in proteins like visual pigments.
The musculoskeletal system of the bat acts on the information supplied by the nervous system
to capture prey.
The bat eyeball has adaptations to the retina and lens for low-light vision.
Rod cells have a high level of rhodopsin molecules, allowing visual acuity in low light.
Rhodopsin is a photopigment molecule that is highly sensitive to light.
Help me please
Answers
The levels of biological organization are atomic, molecular, cellular, tissue, organ and systems of organs (such as nervous and muscular systems).
The correct levels of biological organization from the simplest to the most complex are:Nitrogen is a necessary atomic element in proteins like visual pigments;Rhodopsin is a photopigment molecule that is highly sensitive to light;Rod cells have a high level of rhodopsin molecules, allowing visual acuity in low light;The retina of bats is made up primarily of rod cells, allowing bats to see well in dim light;The bat eyeball has adaptations to the retina and lens for low-light vision;The optic nerve conveys the sensory information from the bat's eye to the visual cortex of the brain;The musculoskeletal system of the bat acts on the information supplied by the nervous system to capture prey.The nitrogen (N) atom is a fundamental component of biomolecules such as DNA (nitrogenous bases) and proteins (aminoacids).Rhodopsin is a light-sensitive protein pigment that is abundant in the rod cells found in the retina. This pigment (rhodopsin) is responsible for night vision.There are two types of photoreceptor cells located in the retina: rod cells and cone cells. Rod cells are required for vision at low light levels.The retina and lens are parts of the eye: the retina is a layer at the back of the eye; whereas the lens is located behind the iris and the pupil. The visual system is composed of the eye (i.e., the sensory organ) and different areas of the central nervous system which include the optic nerve, optic tract, and visual cortex.The musculoskeletal system and nervous system work together in response to stimuli such as visual motion or stimulus localization.Learn more in:
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Using Table 1-1 below, how much energy would be available to the Organisms in Level C?
A 245
B 56
C 4
D 165
Answers
Answer:
4
s = PV (kJ) or in a unit basis, wflow = Wflow / m = Pv (kJ/kg) Note that the flow work is expressed in terms of properties. The flow work can also be written as a rate equation.
i want to make sure its correct !!!!
Answers
We can see here that inserting true or false, we have:
1. True. Both the length of night and changing temperatures affect autumn leaf color.
2. True. Chlorophyll give leaves their green color.
3. True. Carotenoids give corn and carrots their colors.
4. True. Leave of many trees contain both chlorophyll and carotenoids.
5. False. Leaves produce more chlorophyll as autumn days pass.
Correct statement: Leaves actually produce less chlorophyll as autumn days pass, which is why the green color fades and other colors become more visible.
What is leaf?A leaf is a major stem appendage of a vascular plant that is designed specifically for photosynthesis and is often carried laterally aboveground. As in "fall foliage," leaves are referred to collectively as foliage, whereas the shoot system is made up of the leaves, stem, blossom, and fruit.
6. False. Oak trees' leaves are usually among the first to change color.
Correction statement: Oak trees' leaves are usually change color around October.
7. False. The best weather conditions for great fall colors include cool days and freezing nights.
Correct statement: The best weather conditions for great fall colors include cool and sunny days.
8. True. The needles of an evergreen tree survive for years partly because they are covered with a heavy wax coating.
9. True. Evergreen needles fall off from old age.
10. False. The fluid in the leaves of many trees is a thin watery sap that freezes.
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Question 6 Q
The presence of tiny hairs, called setae, on the toe pads of some geckos is associated with the ability to adhere to smooth surfaces. This ability allows geckos to climb in areas where many predators cannot. Scientists
studying the evolution of setae have identified three closely related species of gecko, only one of which can adhere to smooth surfaces. A model of the evolutionary relatedness between these species is represented in the
figure.
G. humeralis
D
OG. concinnatus
OG. antillensis
Can adhere
O Cannot adhere
Which of the following best describes how the ability to adhere to smooth surfaces affects the fitness of G. humeralis?
The ability to adhere to smooth surfaces is likely to decrease the fitness of G. humeralis because the ability decreases the likelihood of predation
The ability to adhere to smooth surfaces is likely to decrease the fitness of G. humeralis because the ability increases the likelihood of predation.
The ability to adhere to smooth surfaces is likely to increase the fitness of G. humeralis because the ability decreases the likelihood of predation.
The ability to adhere to smooth surfaces is likely to increase the fitness of G. humeralis because the ability increases the likelihood of predation.
Answers
The ability to adhere to smooth surfaces is likely to increase the fitness of G. humeralis because the ability decreases the likelihood of predation. Therefore, option C is correct.
What are setae?A stiff hair, bristle, or bristlelike process or part of an organism. Setae on the bodies of spiders are used as sensory organs, while setae on the bodies of many polychaete worms, such as earthworms, are used for locomotion.
Thus, the ability to adhere to smooth surfaces is likely to increase the fitness of G. humeralis because the ability decreases the likelihood of predation. Therefore, option C is correct.
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I jus bubbled but idk what it is???
Answers
the role of you to make good society
Answers
By being a good human being, following moral values we can build a good society.
Economy is growing, GDP is flawed. Wars an Natural disasters are good for GDP. Aristotle in order to make good society, he said, the society must create the pre-conditions. For him the good society was the one that created the conditions for what he calls "Eudaimonia", which means flourishing or thriving.
First are the basic needs of humans that is Food, Shelter, Water and Secondly the amenities for building a successful and good lifestyle and better life.
Moreover, every individual should have freedom to speech, fundamental rights, an attitude of gratitude as well. A person should be a giver, a giver to needy ones, giver of happiness that is spreading happiness, rather than negativity.
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What is true of an atom's nucleus ?
It is positively charged and takes up most of the atom's space .
It is positively charged and includes most of the atom's mass.
It is negatively charged and includes most of the atom's mass .
It is negatively charged and takes up most of the atom's space .
Answers
It is positively charged and includes most of the atom's mass.
Atoms are the basic units of matter and they are composed of a nucleus
and one or more electrons bound to the nucleus.The atomic nucleus is the small,
dense region at the center of an atom which consists of one or more protons and a similar number of neutrons.The protons are positively electric charged, the electrons have a negative electric charge, and the neutrons have no electric charge. Protons and neutrons are heavier than electrons and reside in the nucleus and they are bound together to form a nucleus by the nuclear force.
More than 99.94% of an atom's mass is in the nucleus.
The theory of endosymbiosis proposes that eukaryotes descended from a primitive combination of both archaea and bacteria. What evidence supports this theory?
Answers
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Mitochondria and chloroplasts contain some of the same enzymes and transport systems as bacteria, and are similar in size and shape to bacteria. In addition, they both reproduce by binary fission, similar to bacteria. The presence of double membranes around mitochondria and chloroplasts also supports the theory of endosymbiosis, as this suggests that the organelles were engulfed by the host cell and retained their own membranes.
Finally, mitochondria and chloroplasts have their own DNA, which is circular like bacterial DNA. The DNA of mitochondria and chloroplasts also lacks histones, which are present in eukaryotic DNA, and is more similar to bacterial DNA in terms of gene expression and replication.
Together, these lines of evidence support the theory of endosymbiosis and suggest that mitochondria and chloroplasts were once free-living bacteria that were engulfed by a host cell and evolved into the organelles found in eukaryotic cells today.
select all of the following components of a molecule of atp. multiple select question. one of 20 different nitrogen-containing variable groups three phosphate groups two phosphate groups adenine ribose sugar
Answers
The nitrogenous bases found in DNA—adenine (One), cytosine (D), guanine (G), or thymine (T)—as well as the sugar ribose as well as a chain and three phosphate groups attached to ribose, combine nucleotide.
The components for ATP are where?There are three parts to the ATP molecule. Ribose, a sugar molecule, is located in the middle. This has a base—a collection of linked rings or carbon and nitrogen atoms—attached to one side; in this instance, the base is adenine.
In how many molecules does ATP consist?Over 10 million ATP molecules are produced and used by a functioning muscle cell per second! The molecule's ADP component does not change. Similar to compressing a spring, a third oh group (phosphorylation) increases energy. Like allowing a spring to uncoil, energy is released when the phosphate group is removed (hydrolysis).
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