Cell Cycle and Mitosis: Standard 1.2.2

Why are buffers important?

• They help to build proteins.

• They are required for cell division.

• They are necessary for cellular growth.

• They help to maintain a cell’s homeostasis.

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Which would most likely happen if a cell undergoes mitosis, but not cytokinesis?

• The cell would have two nuclei.

• The cell would not have a nucleus.

• The cell would have a small nucleus.

• The cell would have one large nucleus.

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NGSS.HS-LS1-4

Which is less likely to be a function of mitosis?

• organism growth

• body tissue repair

• gamete development

• asexual reproduction

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NGSS.HS-LS1-4

At the end of the mitotic cell cycle, a cell divides into two cells. What must happen before the cell divides?

• The number of organelles doubles.

• Chromosomes must be copied.

• Four nuclei must be formed.

• The membrane thickens.

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NGSS.HS-LS1-4

Which process produces two somatic cells?

• mitosis

• meiosis

• spermatogenesis

• sexual reproduction

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NGSS.HS-LS1-4

When is the distribution of cytoplasm accomplished during mitosis?

• anaphase

• interphase

• cytokinesis

• metaphase

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Which explains why the nuclear membrane breaks down during mitosis?

• So the cytoplasm can be divided.

• So the chromosomes can be replicated.

• So it makes it easier for the DNA to be mutated.

• So the duplicated chromosomes can be separated into new cells.

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NGSS.HS-LS1-4

Which factor BEST explains how many diseases, such as cancer, are formed within the body?

• A traumatic injury to the body has occurred.

• A disruption in the cell cycle has taken place.

• A response by the immune system was triggered by an allergic reaction.

• A mutation occurred during the process of crossing over.

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During the cell cycle, which process occurs after interphase?

• separation of chromosomes into two daughter cells

• growth of cell and storage of food and nutrients

• synthesis of proteins necessary for cell division

• replication and transcription of DNA in the cell

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NGSS.HS-LS1-4

Which describes genetic information prior to the beginning of mitosis?

• centrioles

• chromatin

• centromere

• chromosomes

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