Biology – 5.1 Worksheet – Flashcards

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question
What cells undergo cell division?
answer
All cells
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a disease that occurs when the cell cycle is no longer regulated
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cancer
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Which cell cycle checkpoint makes the key decision of whether the cell should divide?
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G1 checkpoint
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ensures that each daughter cell receives a complete set of chromosomes
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Mitosis
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Cell division in prokaryotic cells
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is relatively simple, results in two daughter cells with identical chromosomes, and is called binary fission
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Mitosis is the division of the ____________, and cytokinesis is the division of the ____________.
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nucleus, cytoplasm
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Cell division in eukaryotic cells is a complex process because of...?
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the nucleus
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What event(s) may occur during the G1 phase of the cell cycle?
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cellular respiration
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The cell cycle includes what events?
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growth, cell division, and DNA synthesis
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The correct order of prokaryotic cell division is
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DNA replication - chromosome segregation - cytokinesis
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Why is the cell's DNA copied prior to cell division?
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So each daughter cell will have a complete set of the cell's DNA
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Cell division in prokaryotes includes mitosis.
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False
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The cell cycle in prokaryotes includes DNA replication.
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True
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Interphase consists of the G1, S, and M phases of the cell cycle.
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False
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The first phase of cell division is the G1 phase.
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False
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The cell cycle has three checkpoints: the G1 checkpoint, the S checkpoint, and the G2 checkpoint.
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False
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During the M phase, the ____________ and then the cytoplasm divide.
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nucleus
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Cell division is more complicated in ____________ cells than in ____________ cells.
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eukaryotic, prokaryotic
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During the ____________ phase of the cell cycle, the cell's DNA is copied.
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synthesis (S)
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Most prokaryotic cells divide by the process of binary ____________.
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fission
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The M phase of the cell cycle includes ____________ and cytokinesis.
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mitosis
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____________ may result when the cell cycle loses its regulation.
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Cancer (tumor)
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The cell cycle in prokaryotes can be described as follows: the cell grows, its ____________ replicates, and the cell divides.
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DNA
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Interphase consists of the ____________, ____________, and G2 phases of the cell cycle.
answer
G1, S
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