Cell Cycle

Multiple Choice

What is the stage of the cell cycle where the cell duplicates its centrosomes?

• G1 phase

• S phase

• G2 phase

• M phase

Multiple Choice

What stage of the cell cycle do some cells become inactive and cease to divide?

• G2 phase

• Interphase

• G0

• S phase

Multiple Choice

In which stage do cells double its organelles and accumulate the materials

needed for DNA synthesis?

• G1 phase

• S phase

• G2 phase

• M phase

Multiple Choice

In what phase do daughter chromosomes become distributed to two

daughter nuclei?

• G1 phase

• G2 phase

• M phase

• S phase

Multiple Choice

Which refers to the structural unit consisting of a DNA molecule wrapped around histone proteins?

• Centromere

• Centrosome

• Nucleosome

• Chromatin

Match

Match the following

• Prophase

• Metaphase

• Anaphase

• Telophase

• Prometaphase

The chromosomes condense and the spindle forms

Chromosomes are aligned on the spindle equator.

Sister chromatids separate.

The spindle disappears, and the nuclear envelope forms.

The nuclear envelope breaks up, and spindle fibers attach

to kinetochores.

• The chromosomes condense and the spindle forms

• Chromosomes are aligned on the spindle equator.

• Sister chromatids separate.

• The spindle disappears, and the nuclear envelope forms.

• The nuclear envelope breaks up, and spindle fibers attach

  to kinetochores.

Multiple Choice

The cytoplasm of a cell divides by which process?

• Telekinesis

• Nuclear Division

• Fission

• Cytokinesis

Multiple Choice

Which cell cycle checkpoint allows damaged DNA to be repaired before

it is passed on to daughter cells?

• G1 checkpoint

• G2 checkpoint

• M checkpoint

• S checkpoint

Multiple Choice

Which of the following is NOT a feature of cancer cells?

• exhibiting contact inhibition

• having enlarged cell

• stimulating the formation of new blood vessels

• being capable of traveling through blood and lymph

Multiple Choice

Imagine that gene X mutates and begins encoding a protein that accelerates the cell cycle. Before it mutated, gene X was most likely a(n)?

• proto-oncogene

• oncogene

• tumor suppressor gene

• apoptosis gene