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3 years ago

How many cell(s) are there at the start of mitosis?

Biology

1 answer:

saw5 [17]3 years ago

6 0

Answer:

There are two cells produced in the process of mitosis.

New cells are formed by the process of cell division.

Yes, Cells made during mitosis are identical.

Mitosis is the process in which two daughter cells are produced during cell division.

Phases of mitosis are prophase, metaphase, anaphase, and telophase.

Prophase is the longest phase in which chromatin condenses chromosome.

In metaphase chromosome are separated from each other.

Anaphase is a phase in which daughter chromosome move toward the pole.

In telophase, the cell is divided into two daughter cells.

Two daughter cells are produced during mitosis.

Cytokinesis is a process in which cytoplasm of the cells is divided into two.

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The reactivity of an atom is due to the number and arrangement of _______ in the outer energy level.

siniylev [52]

The reactivity of an atom is due to the number and arrangement of Electrons (b) in the outer energy level.

Electrons "bond" they're the ones that react to create other elements.

Examples: Salt (NaCl) Carbon Dioxide (CO2)

And so on, and so forth. Thus, your answer....B.

5 0

3 years ago

Read 2 more answers

1. Which part of the DNA codes for heredity?

vaieri [72.5K]

Answer:

The correct answer is C a sequence of nitrogen bases.

Explanation:

DNA or deoxy ribonucleic acid is the repository of genetic information.The genetic information is stored within the nitrogen bases of DNA molecule.

The A,T,G,C are called genetic alphabets of human life.A for adenine,G for guanine,T for thymine and C for cytosine builds the basic structural backbone of DNA along with deoxyribose sugar and phosphate moiety.

The bases present in DNA are transcribed to forms the bases of mRNA and the concequetive bases of mRNA act as codon that encodes a specific amino acid during the course of translation.

6 0

3 years ago

Is the involuntary movement of the muscles that move food through the digestive system.

amm1812

Answer:

Peristalsis is the involuntary movement of the muscles that move food through the digestive system.

Explanation:

Peristalsis is a reflex response.
It is initiated when the gut wall is stretched by the contents of the lumen.
Peristalsis occurs in all parts of the gastrointestinal tract from esophagus to the rectum.
It actually refers to the ringlike contraction of the circular smooth muscle that move progressively forward pushing the bolus.
It involves coordinated contraction and relaxation above and below the food bolus so that the bolus is pushed forward instead of being pushed back.

3 0

3 years ago

Read 2 more answers

Cliff Company traded in an old truck for a new one. The old truck had a cost of $200,000 and accumulated depreciation of $40,000

masya89 [10]

Answer:

1,95,000 dollars

Explanation:

The recorded value of any commodity depends on the following elements:

- The instance value of the commodity on a page

- Additional value paid for buying the commodity and

- Other expenditure related to purchase of commodity

Here in this case, the recorded value of the truck is equal to the sum of trade allowance and additional payment to acquire new truck

Thus, recorded value of truck

$= 1,53,000 + 42,000\\= 1, 95, 000$

4 0

4 years ago

You volunteer for a sleep study and the researchers discover that your blood oxygen level drops many times during the night. It

Ilia_Sergeevich [38]

Complete Question:

You volunteer for a sleep study and the researchers discover that your blood oxygen level drops many times during the night. It is likely that you have

A) sleep-onset insomnia.

B) REM behavior disorder.

C) narcolepsy.

D) sleep apnea.

Correct Option:

It is likely that you have "sleep apnea".

Option: D

Explanation:

Sleep apnea is a disorder which is identified by frequent stoppage and breathing start while sleeping. This is due to extreme relaxation of the throat muscles that hinder the normal breathing mechanism leading to reduced blood oxygen levels (recognized as hypopnea).

Throughout a sleep study, the patient's oxygen level is tracked with a pulse oxymeter connected to the hand, finger as well as other parts of the patient. An individual with SA will get a decreased amount of air in inhalation due to irregular breathing patterns while asleep.

4 0

3 years ago

Read 2 more answers