Cellcycle_ mitosis_meiosiskey

Cellcycle_ mitosis_meiosiskey - Cell Cycle, Mitosis and...

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Cell Cycle, Mitosis and Meiosis 1. Which statement about eukaryotic chromosomes is not true? a. They sometimes consist of two chromatids. b. They sometimes consist only of a single chromatid. c. They normally possess a single centromere. d. They consist only of proteins. e. During metaphase they are visible under the light microscope. 2. Which statement about the cell cycle is not true? a. It consists of interphase, mitosis, and cytokinesis. b. The cell’s DNA replicates during G1. c. A cell can remain in G1 for weeks or much longer. d. DNA is not replicated during G2. e. Cells enter the cell cycle as a result of internal or external signals. 3. Which statement about mitosis is not true? a. A single nucleus gives rise to two identical daughter nuclei. b. The daughter nuclei are genetically identical to the parent nucleus. c. The centromeres separate at the onset of anaphase. d. Homologous chromosomes synapse in prophase. e. The centrosomes organize the microtubules of the spindle fibers.
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This note was uploaded on 02/09/2012 for the course BIOLOGY 102 taught by Professor Anderson during the Spring '11 term at Harvard.

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Cellcycle_ mitosis_meiosiskey - Cell Cycle, Mitosis and...

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