the characteristic that determines which generation in plants is dominant is
Answers
The dominant generation of plants is the one that performs the majority of photosynthesis.
Using water and carbon dioxide, photosynthesis is a crucial process that occurs in plants and blue-green algae to produce organic compounds or carbohydrates. As a consequence of this process, oxygen is produced. They are regarded as autotrophs since they prepare their own food.
The "dominant generation of plants" is therefore the group of plants that are more obvious, more self-sufficient, and more photosynthetic. Plants benefit from this dominance by surviving and developing from one generation to the next. The sporophyte generation is dominant in most plants, including all angiosperms and gymnosperms, since it is typically larger, more durable, and frequently able to generate several offspring.
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Related Questions
“What are 3 scientific words that relate to the cell cycle?”
( question I have on an assignment )
Answers
Answer:
the cycle of growth and asexual reproduction of a cell, consisting of interphase followed in actively dividing cells by prophase, metaphase, anaphase, and telophase
Explanation:
hope this helps
If a cell takes in water and expands it is known as a
Answers
Answer:
It is called cytolysis
Explanation:
This is done by a cell in hypertonic solution, due to osmosis. A cell may burst due to too much water taken in.
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Explain what methanes attraction must be given that it took years to evaporate
Answers
The liquid methane's phase change could have been brought on by an increase or decrease in energy.
What causes liquid methane to change phase?The liquid methane could have changed phases due to an increase or decrease in energy.
The molecules' kinetic energy and perhaps even their freedom of movement would have grown if the energy had increased. The molecules' kinetic energy and perhaps their freedom of motion would have diminished if the energy level dropped. Since the lake vanished during Titan's summer, when more energy was being transmitted into it than at other times, the lake must have evaporated rather than frozen. molecules of the liquid
Each other was shifted around. The molecules of the lake might now travel independently of one another if it evaporated.
The molecules in the lake would only be able to move in place if it froze. During a phase change, neither the quantity nor the size of molecules changes.
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It's possible that a rise or fall in energy caused the liquid methane to shift phases. The length of time it typically takes for a molecular to be expelled from the environment is known as residence time.
What is the purpose of methane?Unscented, colorless, and combustible, methane is a gas. It is mostly used as fuel to produce heat and light. It is also employed in the production of organic compounds. Methane is frequently found in garbage, marshes, septic tanks, and sewers and can be produced as natural materials decompose.
Is liquid methane explosive in any way?According to thermodynamic, superheated liquids may sustain explosions similar to those found in chemical explosives. At 1 atmosphere, liquid methane was heated to a temperature 50 K well beyond its boiling point.
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When a jellyfish paralyses a tiny fish with its poisonous tentacles, the jellyfish is the ______.
A. host
B. parasite
C. predator
D. prey
Answers
The jellyfish is the predator when it paralyzes a tiny fish with its poisonous tentacles. Predators are organisms that hunt, kill, and eat other organisms, known as prey, for their survival and nourishment.
In this scenario, the jellyfish is the predator. A predator is an organism that hunts and feeds on other organisms, known as prey. The jellyfish paralyzes the tiny fish with its poisonous tentacles in order to capture and consume it.
This predatory behavior is a common survival strategy among jellyfish, as they rely on hunting and consuming other small organisms to obtain nutrients and energy. The jellyfish's tentacles contain venom that immobilizes its prey, allowing the jellyfish to easily capture and consume the paralyzed fish. Therefore, the correct answer is C. predator.
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The breaking and rearrangment of chemical bonds
Answers
Answer: where is the question?????
what effects would artificially increasing progesterone levels have on the reproductive system of an individual with ovaries? assume the artificial increase in progesterone was initiated at the end of one ovarian cycle. be specific, go through the feedback loop.
Answers
If the released egg is fertilized, progesterone prepares the body for pregnancy. If the egg is not fertilized, the corpus luteum degrades, progesterone production decreases, and a new menstrual cycle begins.
After ovulation, progesterone prepares the endometrium for pregnancy. It causes the lining to thicken in preparation for the acceptance of a fertilized egg. It also prevents uterine muscle spasms that might lead the body to reject an egg.
Progesterone levels begin to rise after ovulation and continue to climb until the conclusion of the menstrual cycle. High progesterone symptoms include anxiety and agitation, bloating, breast swelling and soreness, depression, exhaustion, and weight gain, and are comparable to premenstrual syndrome.
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PEOPLE IF YOU DONT KNOW THE ANSWER DONT EVEN TRY TO SAY '' I WISH I CAN HELP DUT IDK THE ANSWER" Write true if the statement is true or false if the statement is false. _____ 1. Earth’s diameter is longer through the poles than through the equator. _____ 2. Earth’s magnetic field extends several thousands of kilometers into space. _____ 3. Earth’s axis of rotation passes through the north and south poles. _____ 4. One complete rotation of Earth requires a little more than 24 hours. _____ 5. A swinging pendulum appears to change direction because of Earth’s revolution. _____ 6. Earth’s speed of rotation is greatest at the equator. _____ 7. Earth has seasons because its orbit around the sun is elliptical. _____ 8. Earth travels about 150 million kilometers during one revolution. _____ 9. Earth revolves around the sun at a constant speed. _____ 10. Earth’s axis is tilted 23 ½ degrees relative to a line drawn perpendicular to the equator.
Answers
Answer: 1. Earth’s diameter is longer through the poles than through the equator. False 2. Earth’s magnetic field extends several thousands of kilometers into space. True 3. Earth’s axis of rotation passes through the north and south poles. False 4. One complete rotation of Earth requires a little more than 24 hours. False 5. A swinging pendulum appears to change direction because of Earth’s revolution. False 6. Earth’s speed of rotation is greatest at the equator. True 7. Earth has seasons because its orbit around the sun is elliptical. False 8. Earth travels about 150 million kilometers during one revolution. False 9. Earth revolves around the sun at a constant speed. False 10. Earth’s axis is tilted 23 ½ degrees relative to a line drawn perpendicular to the equator. True
Explanation:
Type of radiation that is able to travel through space as waves from the Sun to Earth is called
Answers
Answer:
sunrays
Explanation:
hope it helps
Answer:
I think it is radioactive.
organisms have both autosomes and sex chromosomes. as with autosomes, sex chromosomes gnees involved in processes unrelated to the sex of the individual what is the genotype of the colorblind man. true or false?
Answers
The statement "organisms have both autosomes and s ex chromosomes. As with autosomes, s ex chromosomes genes involved in processes unrelated to the sex of the individual" is true.
The term genotype refers to the genetic makeup of an individual with respect to a specific trait or characteristic. Genotype can be represented by letters, and each individual has two alleles that determine a given trait. One allele is inherited from the mother and the other from the father. In humans, the gene that controls color vision is on the X chromosome, one of the two s ex chromosomes.
Color blindness is a s ex-linked disorder that is recessive and is linked to the X chromosome. Therefore, males are more likely to be color-blind than females. The gene for color vision is located on the X chromosome, so if a man has one defective gene for color vision, he will be color-blind. In contrast, a woman must have two defective genes for color vision to be color-blind.
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If an area has a
biodiversity, it is
therefore
stable and therefore
likely to survive changes.
Tin
high, more, more
low, more, less
low, less, more
high, less, less
е
Answers
If an area has a high biodiversity, it is therefore more stable and therefore likely to survive more changes in its ecsystem.
What is biodiversity?Biodiversity is the variation of life on the planet earth. It is also known as measure of variation at the species, and ecosystem level.
If an area has a high biodiversity, it is therefore more stable and therefore likely to survive more changes in its ecsystem.
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When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed. Explain WHY this is a positive feedback loop.
Answers
Answer:
See the answer below
Explanation:
The process of blood clotting is a positive feedback loop because it is a process that needs to go into completion, unlike in negative feedback loops in which the initial status quo (the setpoint) needs to be returned to.
In positive feedback loops, when the system senses a change from normal, the control center increases this change until the initial process that triggered the change goes to completion.
The bleeding in a cut skin needs to be stopped, hence, the control center will signal the effector to keep releasing hormones for more platelets to be formed until the bleeding subsides. Hence, the process is a positive feedback loop.
What seems to have happened in the pride during the period of observation?
Answers
In the period of observation, a new male lion took over the pride and it could have been that the previous lion either died, went missing, or was killed by the new lion.
What happens in Lulu the Lion ?A new male lion has joined the pride. This is likely due to the death or displacement of the previous male lion. The new male lion will now be the alpha male and will mate with the females in the pride. The cubs that were born during the period of observation are likely the offspring of the previous male lion.
The new male lion's arrival has caused some disruption to the pride. The females are now more submissive to the new male lion, and the cubs are now more wary of him. This is likely due to the fact that the new male lion is a threat to the females' cubs.
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This question is based on the Lulu the Lion activity.
Acid rain contributes to all of the following problems except:
A.) Smog
B.) loss of biodiversity in aquatic ecosystems
C.) Damage to vegetation
D.) Advance chemical weathering
Answers
Answer:
Option A ( Smog ) .......
In a study of larval development in the tufted apple budmoth (Platynota idaeusalis), an entomologist measured the head widths of 50 larvae. All 50 larvae had been reared under identical conditions and had moulted six times. The mean head width was 1.20 mm and the standard deviation was 0.14 mm. (a) Calculate the standard error of the mean. (b) Construct a 90\% confidence interval for the population mean. (c) Construct a 95% confidence interval for the population mean. (d) Interpret the confidence interval you found in part (c). That is, explain what the numbers in the interval mean.
Answers
The 95% confidence interval for the population mean head width of tufted apple budmoth larvae is approximately 1.1612 mm to 1.2388 mm. We can be 95% confident that the true population mean falls within this range.
(a) The standard error of the mean (SEM) can be calculated using the formula: SEM = standard deviation / √sample size. In this case, the standard deviation is 0.14 mm and the sample size is 50. Thus, the SEM is:
SEM = 0.14 mm / √50 ≈ 0.0198 mm.
(b) To construct a 90% confidence interval (CI) for the population means, we use the formula: CI = mean ± (critical value × SEM). The critical value for a 90% confidence level can be obtained from a standard normal distribution table, which is approximately 1.645. Plugging in the values, we get:
CI = 1.20 mm ± (1.645 × 0.0198 mm) = 1.20 mm ± 0.0326 mm.
Thus, the 90% confidence interval for the population means head width is approximately 1.1674 mm to 1.2326 mm.
(c) To construct a 95% confidence interval, we use the same formula as in part (b), but with a different critical value. For a 95% confidence level, the critical value is approximately 1.96. Substituting the values, we get:
CI = 1.20 mm ± (1.96 × 0.0198 mm) = 1.20 mm ± 0.0388 mm.
Thus, the 95% confidence interval for the population means head width is approximately 1.1612 mm to 1.2388 mm.
(d) The 95% confidence interval indicates that we are 95% confident that the true population means the head width of tufted apple budmoth larvae falls within the range of 1.1612 mm to 1.2388 mm.
This means that if we were to repeat the study multiple times and construct confidence intervals in the same way, approximately 95% of those intervals would contain the true population mean.
The narrower the interval, the more precise our estimate of the population means. Therefore, we can be relatively precise in estimating the mean head width of the tufted apple budmoth larvae based on this confidence interval.
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What type of symptoms might you expect if the immune system failed to apply the brakes after eradicating a pathogen
Answers
If the immune system failed to apply the brakes after eradicating a pathogen, the symptoms might include autoimmune diseases and hypersensitivity reactions. Autoimmune diseases occur when the immune system mistakes healthy cells for harmful pathogens and attacks them, leading to chronic inflammation and damage to tissues and organs.
Examples of autoimmune diseases include rheumatoid arthritis, lupus, and multiple sclerosis. Hypersensitivity reactions occur when the immune system overreacts to harmless substances, such as pollen or food, leading to symptoms such as hives, itching, and difficulty breathing. There are four types of hypersensitivity reactions, with the most severe being anaphylaxis, which can be life-threatening.
In addition to these symptoms, failure of the immune system to apply the brakes can also lead to the development of cancer. Normally, the immune system is able to detect and destroy cancer cells before they grow and spread. However, if the immune system is constantly activated, it may become exhausted and unable to recognize and destroy cancer cells.
Overall, failure of the immune system to apply the brakes can have serious consequences for the body's health and well-being. It is important for the immune system to be able to regulate its response to pathogens in order to maintain a healthy balance between protecting the body from harmful invaders and avoiding damage to healthy tissues.
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Which of the following orders of events most commonly occurs with the cell-intrinsic pathway of apoptosis?
A: 1) Change in activity of BCL2 proteins; 2) formation of channels in mitochondrial membranes; 3) activation of downstream caspases; 4) cleavage of cellular proteins and DNA
B: 1) Release of procaspase 9; 2) conformational change in Apaf-1; 3) release of cytochrome c; 4) activation of mitochondrial membrane channels
C: 1) Inhibition of lipid membrane flippases; 2) binding of procaspase-9 by Apaf-1; 3) release of cytochrome c; 4) activation of procaspases; 5) cleavage of cellular proteins and DNA
D: 1) Activation of glycolysis by cytochrome c; 2) release of procaspase 9 via mitochondrial channels; 3) activation of BCL2 proteins; 4) activation of procaspases; 5) cleavage of cellular proteins and DNA
E: 1) Change in activity of BCL2 proteins; 2) binding of cytochrome c to procaspase-9; 3) activation of downstream caspases; 4) cleavage of cellular proteins and DNA
Answers
The most common order of events that occurs with the cell-intrinsic pathway of apoptosis is Option E: 1) Change in activity of BCL2 proteins; 2) binding of cytochrome c to procaspase-9; 3) activation of downstream caspases; 4) cleavage of cellular proteins and DNA.
What is Apoptosis?Apoptosis is the process of elimination of unwanted cells by programmed cell death. It follows two pathways to eliminate: the extrinsic pathway and the intrinsic pathway.
Events of Cell-intrinsic pathway:When the cell-intrinsic pathway of apoptosis is activated, the following events in the given order:
change in the activity of BCL2 proteins, which are proteins that regulate the intrinsic pathway of apoptosis. binding of cytochrome c to procaspase-9, this leads to the activation of downstream caspases, resulting in the cleavage of cellular proteins and DNA.This order of events is the most commonly occurring one when the cell-intrinsic pathway of apoptosis is activated. Therefore, option E is the correct sequence of events.
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In mice, the allele for BROWN FUR (BB or Bb) is completely dominant over the allele for white fur (bb).
In a cross where both parents have white fur, what is the probability for the following genotypes and phenotypes? Please answer in whole numbers.
Answers
Answer:
The process of alleles, even if both are bb there is a very very low chance of it being Bb, but completely impossible of being BB.
Explanation:
The allele table is not 100% correct all the time. just most.
What type of membrane lines cavities that open to the outside of the body?.
Answers
Answer:
Mucous membranes
Explanation:
A giraffe would not be able to survive in a city due to the [_________] factors such as buildings, streets, and sewage
Answers
Answer:
A giraffe would not be able to survive in a city due to the smog factors such as buildings, streets, and sewage
Explanation:
DNA stores the information needed for the synthesis of of cellular:
A.)Proteins
B.)Carbohydrates
C.) Lipids
D.) Vitamins
E.) Nucleic Acids
Answers
Answer: proteins
Explanation:
The correct answer is A. Proteins. DNA stores the genetic information that is used for the synthesis of proteins. Proteins are essential components of cells, and are involved in many functions including energy production, transport, and enzymatic activity.
DNA contains the instructions for synthesizing proteins through a process known as transcription. Through transcription, the genetic code contained in the DNA is converted into a molecule called mRNA.
This molecule then travels to the ribosomes, where the information contained in the mRNA is translated into a specific protein.
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Which of the following has a much lower concentration in cerebrospinal fluid (CSF) than in cerebral capillary blood?
a) Na+
b) K+
c) Osmolarity
d) Protein
Please Explain
Answers
Protein concentration is the component that has a much lower concentration in cerebrospinal fluid (CSF) than in cerebral capillary blood. Option D is correct.
Cerebrospinal fluid (CSF) is the clear, colorless fluid which surrounds the brain as well as spinal cord. It plays essential roles in providing mechanical protection, buoyancy, and nutrient supply to the central nervous system. CSF is derived from plasma (the liquid component of blood) through a specialized barrier called the blood-brain barrier.
The blood-brain barrier limits the movement of various substances, including ions and large molecules such as proteins, from the bloodstream into the CSF. It is highly selective and tightly regulates the composition of CSF to maintain optimal brain function.
Hence, D. is the correct option.
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What part of the mRNA is involved in initiation of translation in eukaryotes? O both 3' poly A tail and m7cap O m?cap O 3' poly A tail O introns w Which one of the following is a sequence in bacteria that binds to the 16S rRNA to initiate translation? O Start codon O Shine-Delgarno sequence O Kozac sequence OTATA box
Answers
Eukaryotic mRNA molecules have a 5' cap structure, most precisely the m^7G cap. The Shine–Dalgarno sequence, sometimes called a ribosome binding site or RBS, is a region on mRNA that binds to the 16S rRNA of the small ribosomal subunit in bacteria.
The Shine–Dalgarno sequence, sometimes called a ribosome binding site or RBS, is a region on mRNA that binds to the 16S rRNA of the small ribosomal subunit in bacteria. In the early stages of translation in bacteria, this is essential. The ribosome is correctly positioned on the mRNA, thanks to the Shine–Dalgarno sequence, which enables translation to begin at the correct start codon.
So, the correct options for 1 and 2 are B and B respectively.
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Your question is incomplete, most probably the complete question is:
What part of the mRNA is involved in initiation of translation in eukaryotes?
O both 3' poly A tail and m7cap
O m^7G cap
O 3' poly A tail
O introns
Which one of the following is a sequence in bacteria that binds to the 16S rRNA to initiate translation?
O Start codon
O Shine-Delgarno sequence
O Kozac sequence
OTATA box
What makes Pluto different from the 8 planets in our Solar System?
Answers
Answer:
Hey mate.......
Explanation:
This is ur answer.....
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. ... It contains the asteroid belt as well as the terrestrial planets, Mercury, Venus, Earth, and Mars.
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Essential amino acids? can be synthesized by the body. must be provided by the diet. are the only ones that contain nitrogen. are the only ones needed by the body.
Answers
Essential amino acids are amino acids that cannot be synthesized by the body and must be obtained from the diet.
The human body requires a total of twenty amino acids to synthesize proteins, and these can be sourced from the food we consume. Among the twenty amino acids, nine are classified as essential, while the remaining eleven are considered non-essential. While the body can produce non-essential amino acids, it lacks the ability to synthesize essential amino acids. Hence, it is crucial to acquire them through dietary sources or supplementation.
Contrary to the statement, essential amino acids are not the only ones needed by the body. Non-essential amino acids also play a vital role in the synthesis of proteins, enzymes, and various other biological molecules. Additionally, both essential and non-essential amino acids contain nitrogen, debunking the claim that essential amino acids are the sole nitrogen-containing components.
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The Threatened Specie Act prohibit trade or product made from threatened or endangered pecie. True
Fale
Answers
The given statement is TRUE. A foundation for the conservation and protection of threatened species and endangered species, as well as their habitats, both domestically and overseas, is provided under the Endangered Species Act of 1973.
In accordance with ESA, critical habitat must be identified and its removal is forbidden. The Endangered Species Act establishes protections for fish, mammals, and plants that are categorized as threatened or endangered. It allows for the addition and deletion of species from the list of threatened and endangered species as well as the creation and implementation of recovery plans. A threatened species is one that "is likely to become an endangered species within the foreseeable future throughout all or a considerable portion of its range," according to the ESA.
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colchicine is a drug that causes microtubules to break apart (depolymerize). what effect would this drug have on anterograde transport? what would happen in the axon terminal?
Answers
Colchicine will affect anterograde transport because it will disintegrate the microtubules that will be the anterograde transport pathway. Then the material transport will not happen.
Why is the colchicine going to generate this in the axon?The vesicles that are at the axon terminal will move through the microtubules thanks to kinesin, a protein responsible for transporting materials dependent on ATP. When moving it will pass from the soma to the terminal and this will be the anterograde transport. When colchicine enters the system, the microtubule system will disintegrate, which will remove the transport pathway of the vesicles if it is applied to the axon, this will restrict the anterograde transport pathway.
So when this happens, what will happen is that the material generated by the neuron will accumulate in the soma and the material will not be transported. Even colchicine becomes toxic and kills the cell.
Therefore, we can confirm that colchicine will affect anterograde transport because it will disintegrate the microtubules that will be the anterograde transport pathway. Then the material transport will not happen.
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19. how do enzymes speed up chemical reactions? a. i only b. i and ii only c. i and iii only d. ii and iii only e. i, ii and iii
Answers
Enzymes speed up the rate of chemical reactions because they lower the energy of activation, the energy that must be supplied in order for molecules to react with one another.
By reducing the activation energy needed for the reactants to combine and react, enzymes hasten chemical reactions. The energy required to start a chemical reaction between two or more reactants is referred to as activation energy. Enzymes reduce the activation energy of processes; the lower the activation energy, the quicker the rate. Temperature. Higher temperatures often result in faster rates of reaction, whether they are enzyme-catalyzed or not. The chemical bonds at the active site, however, can be impacted by temperature changes that are either too high or too low and make them less able to bind substrates.
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Help me please! what is the result and what are the generations you can answer one
Answers
R? = RR rr. R?= Rr
Result: RrYyxRrYy
What is Metabolism? In a simple answer.
Answers
Answer:
Metabolism is the process by which your body converts what you eat and drink into energy.
The alterations in an organism's or a cell's chemistry. The term metabolism broadly refers to the chemical processes that take place in an organism's cells to support life.
What is Metabolism?The word "metabolism" in a cell may be defined as all the chemical processes that take place within the cell to carry out all cellular tasks e.g., growth, development, and reproduction.
Anabolic processes, which often need an input of energy held in the chemical bonds of complex molecules, are distinguished from catabolic events, which typically entail the release of energy and the breakdown of bigger molecules into simpler ones.
These modifications generate the ingredients and energy that cells and organisms require to develop, procreate, and maintain health.
Therefore, metabolism broadly refers to the chemical processes that take place in an organism's cells to support life.
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Below are some events that take place during cell division? Which would be the correct order?
I. Chromosomes line up at the equatorial plane
II. Chromosomes condense, becoming shorter and thicker
III. Chromosomes have long and nuclear membrane forms around them
IV. Centromeres divide and the chromosomes move to the opposite poles
a. 2-1-4-3
b. 3-4-1-2
c. 1-3-2-4
d. 4-1-2-3
Answers
The correct order of events during cell division is: 3-4-1-2, the correct option is b.
During cell division, several key events occur in a specific order.
Chromosomes have long and nuclear membrane forms around them: Before cell division occurs, the chromosomes within the nucleus start to undergo changes. Centromeres divide and the chromosomes move to the opposite poles: At this stage, the centromeres, which hold the sister chromatids together, divide. Chromosomes line up at the equatorial plane: Once the chromosomes have reached the opposite poles of the cell, they align themselves along the equatorial plane or the metaphase plate. Chromosomes condense, becoming shorter and thicker: In this step, the chromosomes further condense, becoming even shorter and thicker.Thus, the correct order, b. 3-4-1-2, accurately represents the sequence of events during cell division.
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