Chapter 3 Lesson 1 The Cell Cycle and Cell Division

The longest phase of the cell cycle 

• prophase
• interphase
• metaphase
• mitosis

What is the cell cycle?

• The gradual development of something, especially from a simple to a more complex form.
• The study of heredity and the variation of inherited characteristics.
• The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
• The series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells.

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During interphase, a cell grows, duplicates organelles, and

• copies DNA
• divides the nucleus
• divides the cytoplasm
• produces a new cell

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Chromosomes are made up of two identical sister _____________.

• chloroplasts

• nuclei

• chromatids

• genes

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G1, S, and G2 phases are combined into one long phase called _____________.

• interphase
• mitosis
• cytokinesis
• cell cycle

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There are a TOTAL of ___ chromosomes in human body cells.

• 23
• 46
• 92
• scientists don't know

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Sister chromatids are joined together at the ___________.

• equator
• chromosome
• centromere
• ends

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The phase that starts mitosis is ___________.

• prophase
• metaphase
• anaphase
• telophase

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A jelly-like substance found inside a cell surrounding its organelles is

• cytokenisis
• cytoplasm
• mitosis
• epithelial

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The division of the cytoplasm following mitosis ...

• cytoplasm
• cytokinesis
• telophase
• mitosis

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