A biologist examines a series of cells and counts 90 cells in interphase, 13 cells in prophase, 12 cells in metaphase, 3 cells in anaphase, and 2 cells in telophase. If a complete cycle for this type of cell requires 24 hours, what is the average duration of mitosis?

Unfortunately not a multiple choice

Mitosis involves Prophase, Metaphase, Anaphase, and Telophase.

So you have
13 + 12 + 3 + 2 = 30 cells in mitosis
and
90 + 30 = 120 cells in total

Therefore your ratio of cells in mitosis to total cells is 30 / 120 = 1 / 4. That means mitosis should take up roughly 1/4 of the total cell cycle length. Since the completely cycle takes 24 hours, mitosis would then take (1/4)*24 = 6 hours

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aliasger2709 aliasger2709 · Answer 2 · 2022-03-03T14:07:06+01:00

Mitosis is the type of cell division that occurs in all the somatic cells to produce daughter cells. The whole cycle of mitosis will take 6 hours.

What are mitosis and its phases?

Mitosis is a simple cell division that divides the parent cell into two equal daughter cells. It includes phases like pro, meta, ana and telophase.

The total number of the cells in the mitosis are: 13 + 12 + 3 + 2 = 30 cells

The total number of the cells are: 90 + 30 = 120 cells

The ratio of the cells of the mitosis are: [tex]\dfrac{30}{120} = \dfrac{1}{4}[/tex]

From this, it can be said that mitosis accounts for 1/4th of the total cell cycle.

If the total cycle = 24 hours

So, 1/4 mitosis cycle take = x hours?

Solving for x:

[tex]\begin{aligned}\rm x &= \dfrac{1}{4}\times 24\\\\&= 6\;\rm hours\end{aligned}[/tex]

Therefore, it takes 6 hours to complete a mitotic cycle.

Learn more about mitosis here:

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