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Inessa [10]
3 years ago
12

During a controlled experiment, scientist isolates and tests. A. a conclusion B. a mass of information C. a control group D. a s

ingle variable
Biology
1 answer:
bonufazy [111]3 years ago
7 0
I believe the correct response is D. A single variable.
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The area between 200 and 1,000 meters (656 and 3,280 feet) is the mesopelagic or “twilight” zone.

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During cellular movement which filaments will be the ones that are responsible for attaching and pulling the other filaments alo
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Answer:

Myosin

Explanation:

Myosin are the major components of both muscle and non muscle cells in striated muscles which is responsible for contraction or movement that convert chemical energy (ATP) into mechanical work thereby generating force and movement.

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2 years ago
Which group of animals has existed the longest?
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The answer is B) Perissodactyls
8 0
2 years ago
A scientist adds colchicine, a microtubule polymerization inhibitor, to a cell entering mitosis. At metaphase, the chromosomes o
defon

<u>Answer:</u>

<em>Colchicine is also known as mitotic poison. When it is added the separation of chromosomes of daughter cells are stopped. </em>

<u>Explanation:</u>

This is because the formation of spindle fiber is not allowed in the mitosis phase. Basically it is the process of arresting the mitosis at metaphase to study the chromosomes properly.

The addition of colchicine prevents the chromosomes to move to opposite poles. It makes the cell polyploidy. Hence the of addition of colchicine is the polyploidy of the cell.

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