The Cell Cycle & Mitosis

Imagine that these are cells. Which cell(s) would have the smallest surface area to volume ratios?

• largest

• smallest

• medium size

• smallest and medium size

What aspect of cell function involves moving substances and signals among organelles?

• apoptosis

• cellular communication

• mutation

• cytokinetic signals

The method by which a cell's cytoplasm divides is called ____.

• DNA replication

• interphase

• mitosis

• cytokinesis

Which of these is not an example of how substances move within cells?

• cytoskeleton network

• cell cycle

• motor proteins

• diffusion

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Why would diffusion be more inefficient in a large cell?

• It relies on motor proteins.

• It relies on the random movement of particles.

• It relies on DNA mutations.

• It relies on checkpoints in the cell cycle.

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The phase of cell division in which chromatin condenses into chromosomes is ____.

• telephase

• anaphase

• prophase

• apoptosis

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The ____ contains spindle fibers, centrioles, and aster fibers.

• spindle apparatus

• centromere

• chromosome

• nuclear envelope

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What structures are lined up at the center of this cell?

• cyclins

• single chromatids

• chromosomes

• kinases

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What phase of cell division comes immediately after the phase shown here?

• cytokinesis

• prophase

• cyclin phase

• anaphase

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NGSS.HS-LS1-4

Which of these events does not occur during telophase?

• chromosomes arrive at cellular poles

• cytoplasm splits in two

• chromosomes relax

• spindle apparatus disassembles

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