Ch. 12 TEST Review (Biology)

Similar enzymes interact with the leading and lagging strands in DNA replication. What enzymes involved with the RNA primer are more active on the lagging strand?

• DNA synthesis

• DNA ligases

• DNA helicases

• DNA polymerases

The chromosome content of a skin cell that is about to form two new skin cells is represented in the diagram below. Which diagram represents the chromosomes that would be found in the two new skin cells?

• B

• D

• C

• A

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NGSS.HS-LS1-4

Which is part of the spindle apparatus?

• microtubules

• aster fibers

• centromere

• nuclear envelope

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NGSS.HS-LS1-4

The image illustrates which stage of mitosis?

• prophase

• telophase

• anaphase

• metaphase

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NGSS.HS-LS1-4

What is the role of cyclin-dependent kinases in the cell cycle?

• A) They initiate various stages of the cell cycle.

• B) They provide the energy for the actions of the spindle fibers.

• C) They stop the cycle if something has gone wrong.

• D) They catalyze the condensation of the chromosomes.

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NGSS.HS-LS1-4

Which of these would a cell that undergoes repeated mitosis without cytokinesis have?

• A) cancerous properties

• B) many daughter cells

• C) fewer chromosomes

• D) many nuclei

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NGSS.HS-LS1-4

Why is it important for the DNA to condense during mitosis?

• to facilitate cytokinesis

• to facilitate DNA replication

• to facilitate spindle formation

• to facilitate chromosome movement

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NGSS.HS-LS1-4

Which statement describes the number of chromosomes in a newly formed cell after mitosis?

• They are double the number of two parent cells.

• They are double the number of the parent cell.

• They are half the number of the parent cell.

• They are equal to the number of the parent cell.

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NGSS.HS-LS1-4

During which phase of mitosis are sister chromatids pulled to opposite ends of the cell?

• anaphase

• metaphase

• telophase

• prophase

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NGSS.HS-LS1-4

In what organism would you find cell division being completed by cytokinesis, a process in which a new cell plate forms between two daughter nuclei?

• animal

• plant

• protozoan

• bacterium