AP bio chapter 12 & 13 quiz

A cell containing 8 chromatids at metaphase of mitosis would, at its completion, produce two nuclei containing how many chromosomes?

• 8

• 16

• 4

• 24

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NGSS.HS-LS1-4

the special region on a duplicated chromosome that holds the sister chromatids together?

• kinetochore

• desmosome

• centromere

• chiasma

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The mitotic stage when two centrosomes are arranged at opposite poles of the cell.

• prophase

• prometaphase

• metaphase

• anaphase

• telophase

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The mitotic stage when centrioles begin to move apart in animal cells.

• prophase

• prometaphase

• metaphase

• anaphase

• telophase

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This is the longest of the mitotic stages.

• prophase

• prometaphase

• metaphase

• anaphase

• telophase

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The stage in mitosis when centromeres uncouple, sister chromatids are separated, and the two new chromosomes move to opposite poles of the cell.

• prophase

• prometaphase

• metaphase

• anaphase

• telophase

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What is a centrosome?

• the protein to which spindle fibers attach during metaphase

• the location where two chromatids attach

• the location where the spindle microtubules originate during mitosis in both plant and animal cells?

• the location that holds the centrioles in plant cells

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During what stage of interphase is DNA replicated?

• G1

• G0

• S

• G2

One difference between telophase and cytokinesis in plants and animals cells is

• plants produce a cleavage furrow and animals produce a cell plate

• plants produce kinetochores and animals produce centromeres

• plants produce a cell plate and animals produce a cleavage furrow

• plants produce centrioles and animals produce centrosomes

Tags

NGSS.HS-LS1-4

Why do bacteria not reproduce by mitosis and cytokinesis?

• because they reproduce by meiosis instead

• because they are single celled organisms

• because bacteria are prokaryotic

• because bacteria do not have a nucleus