BIO 110: Mitosis, Cell Cycle, Cancer

Which of the following are primarily responsible for cytokinesis in plant cells but not in animal cells?

Golgi-derived vesicles

During which phase does the cell grow and replicate both its organelles and its chromosomes?

Interphase

In some organisms, such as certain fungi and algae, cells undergo the cell cycle repeatedly without subsequently undergoing cytokinesis. What would result from this?

Large cells containing many nuclei

During which phase does both the contents of the nucleus and the cytoplasm are divided?

Mitotic Phase

Spindle fibers attach to kinetochores during...?

Prometaphase

Chromosomes condense (become more tightly packed) during...?

Prophase

All your cells contain proto-oncogenes, which can change into cancer-causing genes. Why do cells possess such potential time bombs?

Proto-oncogenes are necessary for the normal control of cell growth and division.

Cytokinesis often happens at the same time as...?

Telophase

What is produced if a cell completes mitosis but does not undergo cytokinesis?

one cell with two nuclei, each identical to the nucleus of the parent cell

Movement of the chromosomes during anaphase would be most affected by a drug that prevents...?

shortening of microtubules.

Centromeres divide and sister chromatids separate during...?

Anaphase

When a cell is in late anaphase of mitosis, which of the following may be seen?

a clear area in the center of the dividing cell

What is a cleavage furrow?

a groove in the plasma membrane between daughter nuclei