Ch 11 and 12.4

Which of the following happens when a cell divides?

• The cell’s volume increases
• It becomes more difficult for the cell to get rid of wastes
• Each new cell receives an identical copy of the original cell’s DNA
• It becomes more difficult for the cell to get enough oxygen and nutrients

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NGSS.HS-LS1-4

The time from the beginning of one cell division to the beginning of the next is the

• Cell cycle
• Mitosis
• Meiosis
• None of these

During which phase in the cell cycle does the cell copy its DNA?

• G1 phase
• S phase
• G2 phase
• M phase

Together, the G1 phase, S phase, and G2 phase make up _____.

• The cell cycle
• Interphase
• Cyclins
• None of these

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NGSS.HS-LS1-4

Chromatin is the form of DNA that is spread out into thin strands.

• true
• false

The phase of mitosis shown in step C in the Figure 10–2 is called

• Meiosis

• Metaphase

• Mitosis

• None of these

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NGSS.HS-LS1-4

During which phase of mitosis are chromosomes pulled apart at the centromere?

• Prophase
• Metaphase
• Anaphase
• Telophase

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NGSS.HS-LS1-4

In eukaryotic cells, the timing of the cell cycle is controlled by internal regulators called

• Centrioles
• Spindle fibers
• Cyclins
• The nuclear envelope

Cancer is a disorder in which some cells have lost the ability to regulate their _____.

• Size
• Cell cycle
• Spindle fibers
• Surface area

Tags

NGSS.HS-LS1-4

Meiosis produces 4 genetically different haploid gametes.

• True

• False