Answers AISD-Biology A CR - 25-26Cell Cycle

Cell Cycle Answers

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Which is the main reason cells are replaced in the body?

The cells are too large.

The cells are inactive.

The cells are damaged.

The cells are cancerous.

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The table shows the rate of melanoma by gender.Consider the number of males who were diagnosed with melanoma in 2005. What quantity does this number represent?

In 2005, 27.99 percent of males were diagnosed with melanoma.

In 2005, 27.99 males out of 100 were diagnosed with melanoma.

In 2005, 27.99 cases of melanoma were diagnosed in males.

In 2005, 27.99 males out of every 100,000 were diagnosed with melanoma.

What is the function of interphase in the eukaryotic cell cycle?

cell repair

cell growth

cell reproduction

cell division

An error occurs when the DNA of a cell is copied. However, the cell does not divide after the error is detected. Which statement best describes the cell cycle for this cell?

An error during the G1 phase is corrected during the G2 phase.

An error during the S phase is corrected during the G2 phase.

An error during the G1 phase is corrected during the S phase.

An error during the S phase is corrected during mitosis.

A mutation occurs that prevents a cell from taking in the glucose that it needs for energy production. What is most likely to happen?

A tumor will form.

The cell will divide uncontrollably.

The cell will die.

Nutrients are stolen from normal cells nearby.

At which point in the eukaryotic cell cycle does mitosis occur?

before the G1 phase

after the G2 phase

following the S phase

after the G0 phase

Why is a skin graft necessary when cells are damaged by a third-degree burn?

to promote the repair of existing cells

to protect the area from infection

to prevent mutations

to replace damaged nerves

Which can disrupt the cell cycle?

mutation

G0 phase

replication

cancer

What process is typical of cancer?

replacement of damaged cells

DNA replication

cellular death

uncontrolled cell division

Disruptions in the cell cycle can lead to serious health problems. Which statement best describes cancer cells as a result of disrupted cell cycle regulation?

Cancer cells cannot enter the circulatory system.

Cancer cells grow in a controlled and regulated manner.

Cancer cells spread to other parts of the body.

Cancer cells lose nutrients to healthy cells.

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