2.2 Test Prep

Humans have ________ pairs of chromosomes.

• 21
• 23
• 46
• None of the above

Tags

NGSS.HS-LS3-1

The cell spends most of it's life in ________________.

• mitosis
• cytokinesis
• Interphase
• None of the above

The structure labeled A is a(n)

• chromatid
• centriole
• centromere
• chromophere

Interphase has 3 stages; G1, S, and G2.  What happens during synthesis?

• Cells grow and carry out normal functions
• Cells copy organelles and prepare for a critical checkpoint
• The cell splits into two new daughter cells
• The cell makes a copy of its DNA

How many chromosomes do humans have?

• 46
• 21
• 10

Tags

NGSS.HS-LS3-1

A cell has 92 chromosomes before mitotic division.  How many chromosomes will the daughter cells after mitosis.

• 12
• 23
• 46
• 92

Tags

NGSS.HS-LS1-4

In the G1 stage of the cell cycle, the cell

• Grows
• Copies organelles

• Carries on normal activities
• All of the above

In what phase of mitosis do chromosomes line up at the center of the cell?

• Telophase

• Anaphase

• Metaphase

• Interphase

Tags

NGSS.HS-LS1-4

In what phase of mitosis do chromotids move to opposite sides of the cell?

• Early prophase

• Late prophase

• Metaphase

• Anaphase

Tags

NGSS.HS-LS1-4

In what phase of mitosis does the cell pinch to form two nuclei?

• Interphase

• Metaphase

• Anaphase

• Telophase

Tags

NGSS.HS-LS1-4