Cell Cycle

DNA is replicated during ______ of the cell cycle.

• G1
• S
• G2
• G0

The amount of DNA in a cell is measured right after mitosis and found to be 8 picograms. How many picograms of DNA would be found in a nucleus in the G2 phase?

• 4

• 8

• 16

• 24

The phase of mitosis in which the sister chromatids separate from each other

• prophase
• metaphase
• anaphase
• telophase

In mitosis, the two resulting cells are

• different from the starting cell and identical to each other.
• different from the starting cell and different from each other.
• identical to the starting cell and different from each other.
• identical to the starting cell and identical to each other.

Which of the following shows the correct sequence of the cell cycle?

• Mitosis-> G1->S->G2->cytokinesis
• S->G1-> G2-> mitosis-> cytokinesis
• cytokinesis->mitosis->G1->S->G2
•  G1->S->G2->mitosis->cytokinesis

In which phase of mitosis do the sister chromatids line up on the equator of the cell?

• Prophase
• Metaphase
• Anaphase
• Telophase

In which phase of mitosis does the nucleus disappear, centrioles move to the poles, and chromosomes condense into sister chromatids?

• Prophase
• Metaphase
• Anaphase
• Telophase

What is the role of the spindle fibers during mitosis?

• It divides the cell in half.

• It duplicates the DNA.

• It breaks down the nuclear membrane.

• It helps separate the chromosomes.

In which stage of the cell cycle does the cell split into two?

• Mitosis

• G₁

• Cytokinesis

• S

Apoptosis is

• programmed cell death

• mysterious cell death

• programmed cellular mutation

• mysterious cellular mutation