Cell cycle - Hill

What is the correct order of the stages of mitosis?

1-metaphase 2-telophase 3-anaphase 4-prophase

• 4, 1, 2, 3

• 2, 3, 1, 4

• 1, 2, 3, 4

• 1, 3, 2, 4

• 4, 1, 3, 2

Which is NOT one of the main 3 cell cycle "checkpoints"

• cell growth checkpoint

• cohesion checkpoint

• mitosis checkpoint

• DNA synthesis (S phase) checkpoint

How many chromatids are there in a duplicated chromosome?

• 1

• 2

• 3

• 4

Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.

• C

• G

• M

• S

How many chromatids does a diploid body cell contain just prior to cell division?

• 23

• 46

• 69

• 92

Which of the following begins when pairs of sister chromatids align in the center of the cell?

• anaphase

• metaphase

• prophase

• telophase

Mitosis takes one cell and divides it into 2 identical ________ cells.

• sister

• daughter

• water

• chromatin

Why does the nuclear membrane disappear during mitosis?

• to allow anaphase to happen

• to allow passive transport

• to let other substances in

• to allow the chromosomes freedom to move around the cell

A nuclear envelope forms around each set of sister chromatids in...

• prophase

• metaphase

• anaphase

• telophase

What is the cell cycle controlled by?

• lipids

• enzymes

• water

• mitosis