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sveta [45]
3 years ago
13

A drug that prevents assembly of the mitotic spindle would cause the cell cycle to stall just after

Biology
1 answer:
noname [10]3 years ago
4 0

Answer:

The correct answer will be option-A

Explanation:

Colchicine is the drug that prevents the assembly of the mitotic spindles which halts or stops the cell cycle.

The colchicine acts by inhibiting the microtubule polymerization thus mitotic spindles which takes place after the condensation of the chromosomes during prophase and pre-metaphase.

This acts as checkpoint which can halt the cell cycle at the phase of chromosome condensation.

Thus, option-A is the correct answer.

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these sources of information are used to determine the relationships among different species. which provides information at the
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It is the comparison of the nucleotide sequences in DNA

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3 years ago
The genetic code is essentially the same for all organisms. From this, one can logically assume all of the following EXCEPT: A)
GuDViN [60]

Answer: DNA was the first genetic material.

Explanation:

The genetic code is essentially the same in all the organism. This states that the similar organism can have similar genes in them that codes for the similar proteins hence, called as similar organism.

The genetic material is chemically made of nucleotide which is either being synthesized in the body or being obtained from the environment similar to that of amino acids.

If the genetic code is same one organism descend from the other organism.But these statement does not supports that DNA was the first genetic material to found in living beings.

8 0
3 years ago
Which structure or organelle is found in both prokaryotic and eukaryotic cells? A) ribosomes B) chloroplasts C) mitochondria D)
rjkz [21]

Answer:

The correct answer would be A) ribosomes.

A ribosome is a vesicular structure present in both prokaryotic and eukaryotic cells. They consist of ribosomal RNA and associated proteins.

They are the site of translation in both prokaryotic and eukaryotic cells.

They are made up two units which are called large sub-unit and small sub-unit.

In prokaryotic cells, 70S ribosomes are present which are made up of 50S large sub-units and 30S small sub-units.

In eukaryotic cells, 80S ribosomes are present which are made up of 60S large sub-units and 40S small sun-units.

8 0
4 years ago
Read 2 more answers
Wall lizards are not seen during cold, Why?​
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Wall lizard are not seen because blood becomes cold inside the body.

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3 years ago
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1. The mass of a star can be determined by studying___.
FrozenT [24]
1:D
2:A
3:D
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5:D
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