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Questions and Answers
What term refers to the microscope's power to increase an object's apparent size?
What term refers to the microscope's power to increase an object's apparent size?
magnification
What theory believes that all living things are composed of one or more cells?
What theory believes that all living things are composed of one or more cells?
cell theory
What organelle contains DNA and directs the activity of the cell?
What organelle contains DNA and directs the activity of the cell?
nucleus
How many chromosomes do human body cells have?
How many chromosomes do human body cells have?
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What type of cell division is used only for sexual reproduction and halves the chromosome number before fertilization?
What type of cell division is used only for sexual reproduction and halves the chromosome number before fertilization?
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What is the term used to describe the preparation phase where a cell doubles organelles, grows in size, and DNA replicates?
What is the term used to describe the preparation phase where a cell doubles organelles, grows in size, and DNA replicates?
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What is the term used to describe a cell containing a single set of chromosomes?
What is the term used to describe a cell containing a single set of chromosomes?
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What refers to the microscope's power to show detail clearly?
What refers to the microscope's power to show detail clearly?
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Who concluded that all plants are composed of cells?
Who concluded that all plants are composed of cells?
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What type of change in chromosome structure involves one or both ends of a chromosome breaking off?
What type of change in chromosome structure involves one or both ends of a chromosome breaking off?
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What is the term used to describe the correct number of chromosomes in a species?
What is the term used to describe the correct number of chromosomes in a species?
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During which phase of cell division are sister chromatids pulled apart to opposite poles of the cell?
During which phase of cell division are sister chromatids pulled apart to opposite poles of the cell?
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