题目内容

Which phase marks the end of the cell cycle?

A. interphase
B. telophase
C. cytokinesis
D. anaphase

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In the process of mitosis, how many chromatids would be present during metaphase, if the parent cell had 12 chromosomes?

A. 6
B. 12
C. 24
D. 36

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What occurs in the G2 phase of interphase?

A. The cell duplicates its DN
B. The cell checks DNA and prepares for mitosis.
C. The cell performs its normal function.
D. The cell breaks down the nuclear envelope and coil chromatin.

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The enzymes that attach phosphate to proteins and play a major role in regulation in cell cycle are called

A. DNA polymerase.
B. growth factors.
C. proteases.
D. protein kinases.

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Cells in a multicellular organism also usually communicate by chemical messengers. They can communicate by direct contact through cell junctions that connect the cytoplasm of adjacent cells. What is the cell junction found in animal cells referred to as?

A. plasmodestmata
B. cytosol junctions
C. gap junctions
D. short distance junctions

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Which phase marks the end of the cell cycle?

A. interphase B. telophase C. cytokinesis D. anaphase

In the process of mitosis, how many chromatids would be present during metaphase, if the parent cell had 12 chromosomes?

What occurs in the G2 phase of interphase?

The enzymes that attach phosphate to proteins and play a major role in regulation in cell cycle are called

Cells in a multicellular organism also usually communicate by chemical messengers. They can communicate by direct contact through cell junctions that connect the cytoplasm of adjacent cells. What is the cell junction found in animal cells referred to as?

A. interphase
B. telophase
C. cytokinesis
D. anaphase