Cell Division

The cell membrane is selectively permeable, allowing some substances to pass while blocking others.

• True

• False

Oxygen and carbon dioxide move in and out of cells by osmosis.

• True

• False

Water moves across a cell membrane through diffusion.

• True

• False

Cells use osmosis to maintain a balance of water inside and outside the cell.

• True

• False

Which phase of mitosis involves chromosomes lining up in the middle of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

What happens during cytokinesis?

• Chromosomes condense

• The cytoplasm divides

• DNA is replicated

• Chromosomes line up

Which of the following happens first in mitosis?

• Chromosomes separate

• The nuclear membrane disappears

• The cytoplasm divides

• The chromosome lines up

During which step of the cell cycle does a cell get a signal to begin cell division?

• Cytokinesis

• Interphase

• Prophase

• Telophase

If a single cell undergoes three divisions, how many cells will there be?

• 3

• 6

• 8

• 12

What is the purpose of the cell cycle?

• To destroy old cells

• To allow cells to grow and divide

• To prevent cell divisions

• To shrink the cell