Chapter 10 Regents Exam Practice – Flashcards
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Hereditary information is stored inside the...
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nucleus, which has chromosomes that contain many genes
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Which sequence of terms represents a decrease from the greatest number of structures to the least number of structures present in a cell?
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gene-chromosome-nucleus
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Which statement best describes the relationship between the terms chromosomes, genes, and nuclei?
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Genes are found on chromosomes.
Chromosomes are found in nuclei.
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Which of the following is a reason that the size of a cell is limited?
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The cell's ability to exchange substances is limited by its surface area-to-volume ratio.
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What factors can cause cells to divide in a culture medium?
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Protein Signals
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What is the importance of feedback signals at key checkpoints within the cell cycle?
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To delay or trigger the next phase of the cycle
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What is a gene?
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A segment of DNA that codes for RNA and protein
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What might happen if cytokinesis were omitted from the cell cycle?
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The cell would not divide into two daughter cells
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Mitosis could not proceed if a mutation interrupted the assembly of the...
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spindle fibers
