All of the following events occur during prophase in mitosis except

WILL MARK BRAINLIEST

A. Condensation of DNA

B. Crossing over

C. Pairing of chromosomes

D. Spindle formation

Answers

Answer 1
The. Answer I believe is c
Answer 2

All of the following events occur during prophase in mitosis except crossing over (Option B)

Mitosis can be divided into four phases: prophase, metaphase, anaphase, and telophase.

During prophase, the chromatids condense into chromosomes, thereby making them visible.

The mitotic spindle is a structure composed of microtubule proteins that segregate the chromosomes in mitosis. This structure is formed in prophase.

In Prophase homologous pairs of chromosomes are paired together. In metaphase, these chromosomes are lined up at the equator of the cell and sister chromatids are attached to the spindle fiber.

Crossing over (or recombination) is the exchange of genetic material between non-sister chromatids that occurs during prophase I of meiosis.

In conclusion, condensation of DNA, the pairing of chromosomes and, spindle formation occur during prophase, whereas crossing over occurs in prophase I of meiotic cell division (Option B).

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Related Questions

What are the consequences of uncontrolled sexuality?

Answers

You may Struggle with feelings of guilt, shame and low self-esteem. Develop other mental health conditions, such as depression severe distress and anxiety.

the way president Ulysses s. grant ran his cabinet in a military style rather than civilian contributed too many scandals in his administration
A) true
B) false

Answers

I think the answer would be false :)

Which letter marks the zone of inhibition?

Answers

Answer:

A. B

Explanation:

"B" as labelled in the above is the zone of inhibition.

The Zone of Inhibition is actually a test which is used to assess antimicrobial activities of a material or solution in relation to an micro-organism as a target. It is also known as Kirby-Bauer Test. It measures the antibiotic resistance and also used to inhibit microbial growth.

At the Point B, microbes can not grow in there; they are inhibited.

In the test, if bacterial strain or any other strain is susceptible to the antimicrobial agent, a zone of inhibition appears. If it shows resistance to that agent, then no zone is evidential.

how do birds the ant seen here reproduce​

Answers

Birds attach the bur of the plant which helps in the pollination. The birds sit on the plant and the burs of the plant gets attached in the legs of the birds which is transferred from one place to another.





Can I get brainliest please

What is the primary use of the sugars that the algae produce?

Answers


Featured snippet from the web:
Photosynthesis is the process by which light energy is converted to chemical energy whereby carbon dioxide and water are converted into organic molecules. The process occurs in almost all algae

If a red-eye female fly is crossed with a red-eye male fly, could they produce offspring with white eyes? Briefly explain your answer. Your answer must include a Punnett square that proves your answer.

Answers

If the red-eye parents are homozygous, no. But if the red-eye parents are heterozygous, yes.

Monohybrid crossing

We are assuming that the red-eye trait is dominant over the white-eye trait. If two red-eye parents are crossed with one another, whether they could produce white-eye offspring would depend on the zygosity level of the parents.

Assuming that red-eye is R and white-eye is r. If the two parents are homozygous red-eyed, their genotypes would be RR. Crossing the two:

       RR    x     RR

   RR   RR   RR   RR

All the offsprings would be RR and there is a zero chance of producing a white-eye offspring.

Now, assuming that the two parents are heterozygous:

        Rr    x    Rr

     RR   Rr   Rr   rr

Both RR and Rr are red-eyed while rr is white-eyed. The Punnet's square for the cross can be found in the attached image.

In other words, it will only be possible for the two red-eye parents to produce white-eye offspring if they are both heterozygous. Any other genotype will give a zero chance of white-eye offspring.

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The part of the cell that is like your brain and gives instructions to the cell is
A.nucleus
B.protoplasm
C.membrane
D.fat cells
Help please

Answers

I think is nucleus

I hope it helps

Why are carbon important to these molecules

Answers

Answer:

Hiya! ^^

Explanation:

Carbon's molecular structure allows it to form bonds with many elements, itself other carbon elements. Because of this, it can form long chain molecules, each having different properties. Carbon remains in balance with other chemical reactions in the atmosphere and water because of its stability.

Hope this helps! <3

name the four stages of the production process ( food and raw materials) PLEASE HELP

Answers

Answer:

There is no way around it: food production must become sustainable. Norway is striving to do its share with the help of ground-breaking technology. Sustainable development

Which of the following is NOT a function of the cell membrane

a. contains genetic information

b. provides a boundary for the cell

c. controls transport

d. provides protection for the cell

Answers

a. contains genetic information

the cell membrane protects the cells and controls what goes in and out of it. all genetic information (or dna) gets stored in the nucleus at the center of the cell.
A. Contains genetic information

What is meant by the concept of development?

Answers

Answer:

A process that creates growth, progress, positive change or the addition of physical, economic, environmental, social and demographic components.

Which of these best explains why one should never come between a cow and her calf? aaniaml systems. ACalves cannot see until they are a year old B Young calves are easily disoriented and lost C Human scent transfers easily onto calves. D Mother cows have fierce maternal instincts Thing​

Answers

Young calves are easily disoriented and lost is the reason why best

explains why one should never come between a cow and her calf.

What is a Calf?

A calf is regarded as a young cow and are often reared to become adults

before they are used for several purposes such as beef etc.

They are usually under the guidance of their mother in order to prevent

various forms of hazard. This is as a result of them being susceptible to

getting lost as a result of their disorientation.

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When salt is dissolved in water, the water is the
solute
solvent
solution

Answers

it becomes a solution

Answer:

solution

yeyeyeyeyeyeyeyyeeyeyyeyeye

how does a plant cell differ from an animal cell?

Answers

Answer:

differences between a plant and an animal cell include: Plant cells have a cell wall, but animals cells do not. Cell walls provide support and give shape to plants. Plant cells have chloroplasts, but animal cells do not.

Explanation:

Got this from google hope this helped!:)

what is thesaurus and online resources? ​

Answers

Answer:

thesaurus is a book that is filled with all types of synonyms for words

synonyms are words that are different but same in meaning

eg: yummy

another word for yummy is delicious

so delicious is a synonym that is included in the book named thesaurus

hope it helps

; )

Explanation:

CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION THANK YOU!!

Answers

C.
They live in an unstable environment

DATA ANALYSIS
% OF CELLS IN EACH PHASE OF THE CELL CYCLE
90
30
20
GO
30
40
30
20
10
INTERPHASE
PROPHASE
METAPHASE
ANAPHASE
TILOPHASE CTO NESS
Image or Sketch
Description
Interphase
Prophase

Answers

Answer:

A __________________ is a place holder or object where you can store a value or piece of data named by you

what are catabolic reactions

Answers

Answer:

which complex molecules are broken down to simpler components, are classified as catabolic reactions. Taken as a group of reactions within a cell or even an organism, they can be referred to as the cell's or organism's anabolism or catabolism.

Explanation:

Catabolic reactions are a type of metabolic reaction that take place within a cell. Larger molecules are separated to form smaller molecules, as in the case of respiration where glucose is broken down to form carbon dioxide and water. Often they are hydrolysis reactions in which water molecules are used to break bonds.

What organelle is attached to the Rough ER

Answers

Answer:

Ribosomes

Explanation:

Answer:

The ribosomes.

Explanation:

why do we need to study, talk and explore the Male and Female Sexual Anatomy

Answers

We study sexual anatomy to better understand the process of reproduction in humans. It also can help us better understand how a majority of animals reproduce, and how it can influence ecosystems. I hope this helps, and please mark as Brainliest answer!!

There are many reasons why all humans do not perceive sounds similarly in our environment, including adaptation, hearing loss and/or deafness.
For 2A-2D, first determine whether the scenario is an example of sensory adaptation, conduction deafness, sensorineural deafness, and/or central deafness.
Second, for the scenarios that are examples of deafness, explain briefly how the scenario leads to deafness (i.e., how does the scenario alter normal auditory processing). If you have selected sensory adaptation as an answer, explain briefly why the scenario does not fall under the categorization of deafness. Use your own words to briefly explain - simply listing definitions is not sufficient. (2.5 points each for matching, 5 points each for correct justification)
2A. Listening to excessive loud noises everyday over years that causes loss of stereocilia
2B. Hearing construction outside when it first begins, but no longer noticing the sound minutes later
2C. Difficulty understanding speech, but no damage to ears or ability to understand nonverbal sounds
2D. A hole in the tympanic membrane caused by an ear infection

Answers

Answer: 2A Sensorineural deafness

              2B Sensory adaptation

              2C Central deafness

              2D Conductive deafness

Explanation: The human ear is divided into 3 parts:

Outer Ear: auricle, ear canal and tympanic membrane;Middle Ear: eardrum, tympanic cavity and ossicles (malleus, incus and stapes);Inner Ear: oval window, semicircular ducts (attached to cochlea and nerves), cochlea and auditory tube;

The Sensorineural deafness is a type of deafness caused by a damage in the inner ear, either the cochlea or the auditory nerve. It can happen because of medicine toxicity, exposure to noise along the years etc.

So, from the scenarios above, 2A is consistent with sensorineural deafness  since stereocilia are hair cells of inner ear.

Sensory adaptation is a phenomenom that happens when an individual's sensory receptors is exposed to a stimuli for a prolonged period of time. For example, the situation described in 2B. It is not considered deafness because it is not caused by a damage in any part of the ear.

Central deafness is a very rare case of deafness. The damage in this type of deafness is in the brain and not in any of the 3 parts of the ear. That's why the scenario in 2C is the example of this.

Conductive deafness is the second most common type of ear problem and it occurs in the outer ear. One of the causes is blockage in the ear canal by the ear wax, external bodies, osteomas (bone growth) or otitis (oute ear infection). An example of this type of deafness is scenario 2D.

When ATP is hydrolyzed, are you adding water or removing it? Explain 20 points I’ll do brainlest too

Answers

Answer:

Are there answers

Explanation:

Answer:

adding water

Explanation:

hydrolysis means adding water to it

describe three anatomica features of humans that adapt them for endurance running?

Answers

Traits that aided running include leg and foot tendons and ligaments that act like springs, foot and toe structure that allows efficient use of the feet to push off, shoulders that rotate independently of the head and neck to allow better balance, and skeletal and muscle features that make the human body stronger, more

After Pedro had breakfast, he went for a run. Identify at least three energy transformations that had to take place to allow Pedro to complete his run. Then use evidence to support the claim that energy in this system was conserved as it was transformed.

Answers

1) Chemical to mechanical (calories -> muscle contractions)

2) mechanical to mechanical (muscle -> motion)

3) mechanical to thermal (motion -> heat from the body causes sweating)

The potential energy is stored in the body chemically (via food). That potential energy is then released when the body is put in motion.

1. The increase in the reproductive success of a species will have the greatest impact on
the-

Answers

Answer:

The increase in the reproductive success of a species will have the greatest impact on the prey of the animal.

Explanation:

The prey's population will decrease because there are more animals needing it to survive.

Which of the following is a reason for the genetic variability from sexual reproduction?
A. The more variety there is in the gene pool, the less arrangements in the population.
B.The genes that are “dealt” to the offspring from their parents are by systematic event.
C. Offspring have the same gene combinations of either of their parents.
D. Members of a species choose mates, creating different combinations of genes.
Please help. This is due today.

Answers

Answer:

the answer is d opinion

environmental science aim to solve problems such as the extinction of a specific animal or plant species and deal with important issues such as​

Answers

Answer:

Explanation:

1. Form hypothesis: How does temperature affect oxygen concentrations?

If you're correct then I'll give you brainliest! c:

Answers

Answer:

Hello!!! Princess Sakura here ^^

Explanation:

First things first if we are going to form a hypothesis it doesn't matter if it is correct hypothesis are supposed to get tested.

So anyways....

I believe that the solubility of oxygen will decrease as the temperature increase.

I believed that because as temperature increases molecules start to move faster and move farther away from each other.

Temperature can have a significant impact on the concentration of oxygen in various environments. 1) Solubility of Gases, Oxygen Dissociation, Biological Processes.

Here's a step-by-step explanation of how temperature affects oxygen concentrations:

1. Solubility of Gases: The solubility of gases, including oxygen, in a liquid like water is affected by temperature. Generally, as temperature increases, the solubility of gases decreases. This means that at higher temperatures, less oxygen can dissolve in water or any other liquid.

2. Oxygen Dissociation: In the context of the human body, temperature affects the dissociation of oxygen from hemoglobin in red blood cells. As temperature increases, the affinity between oxygen and hemoglobin decreases. This means that oxygen is more readily released from hemoglobin and made available to tissues and organs. Conversely, as temperature decreases, the affinity between oxygen and hemoglobin increases, making it more difficult for oxygen to be released.

3. Biological Processes: Temperature also affects the metabolic rates of organisms. Generally, as temperature increases, metabolic rates increase, leading to higher oxygen consumption. For example, in aquatic ecosystems, warmer water temperatures can enhance metabolic rates of aquatic organisms, leading to increased oxygen demand. Conversely, lower temperatures can slow down metabolic rates and reduce oxygen demand.

It's important to note that the specific effects of temperature on oxygen concentrations can vary depending on the system or environment being studied. Different factors such as pressure, salinity, and the presence of other substances can also influence the relationship between temperature and oxygen concentrations.

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NEED ANSWER ASAP! Aside from safety, which of the following is an additional benefit of understanding animal behavior? A Reduced stress improves the health, fertility, and production of animals B Animals that feel understood are more likely to stifle aggressive tendencies C Well trained animals receive a higher market value than do untrained animals D Handling that have a strong connection to their animals often get breeding rights​

Answers

Answer:

I think its A.........

Answer:

It's A

Explanation:

Select the correct answer.
Jayden is taking a test. He has to write why scientists support the theory that life began near hydrothermal vents in the ocean. Which point should he include in his answer?
A.
Hydrothermal vents were closest to ocean surface, and therefore could receive oxygen.
B.
Oceans were dry and only had water near the hydrothermal vents in the earlier ages.
C.
Even today, all life forms are first born near hydrothermal vents and they later migrate to land.
D.
Fossils of archeabacteria, which are early common ancestors, were found near hydrothermal vents.

Answers

Answer:

The answer is; D

Archaebacteria are early life forms on earth. They utilized the process of chemosynthesis to make organic molecules from inorganic molecules and for energy. The word archae means ‘ancient’ life forms. These single-celled organisms evolved around sulfur-rich environments of the hydrothermal vents.

Answer:

D

Explanation:

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