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Rus_ich [418]
3 years ago
7

Before mitosis begins, which happens before the nucleus starts diving?

Biology
2 answers:
natulia [17]3 years ago
7 0

Answer:

B. The DNA replicates.

Explanation:

Activity in the chromosomes must occur before the beginning of mitosis. The cells will enter the S1 phase in preparation to divide.

Lynna [10]3 years ago
7 0

Answer:

B should be your answer

Explanation:

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The spindle apparatus disintegrates during _____. anaphase telophase interphase metaphase
IRINA_888 [86]

Answer;

-Telophase

Explanation;

-The spindle apparatus disintegrates during the telophase of mitosis. Telophase is the final stage of mitosis.

-During this phase, the sister chromatids reach opposite poles. The small nuclear vesicles in the cell begin to re-form around the group of chromosomes at each end.

-As the nuclear envelope re-forms by associating with the chromosomes, two nuclei are created in the one cell. Telophase is also marked by the dissolution of the kinetochore microtubules and the continued elongation of the polar microtubules.

6 0
4 years ago
Read 2 more answers
The invention of the automobile contributed to the increase of urban sprawl
arsen [322]
The answer to your question is true the automobile did contribute to urban sprawl since cars could travel out further and make new towns
5 0
3 years ago
Another thermophile, Thermus aquaticus, was isolated from a hot spring in Yellowstone National Park. It is the source of the enz
fredd [130]
It can withstand high heat and still add nucleotides which is used in the PCR.
7 0
3 years ago
Which ineffective method of birth control is characterized by pulling the penis out of the vagina before ejaculation?
solniwko [45]
One of the birth control which could also be classified as ineffective which describes the statement above is the withdrawal or also known as the pulling out method. This is also describe as ineffective because sometimes the pair who is performing the intercourse, in which the male will sometimes not realize that he has already ejaculated. This is one of the birth control method being used instead of using contraceptives.
4 0
4 years ago
Read 2 more answers
A strand of DNA in a skin cell contains the bases: A-T-G-C-C-A-T-C-G-G-T-A After the cell is exposed to ultraviolet light, the s
Zarrin [17]

Answer:

<h2>A</h2>

Explanation:

1. As given, the of a strand DNA contain sequence;

A-T-G-C-C-A-T-C-G-G-T-A,

2. After exposure to UV light, the strand contain the bases;

A-T-G-G*-C-C-A-T-C-G-G-T-A,

3. By comparing both the strands, we find that, the strand of DNA after exposure to UV contain extra G nucleotide between G and C, which is resulted by an insertion.

So we can say that, a new base has been inserted.

6 0
4 years ago
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