Pathology Question:

In ionizing radiation, cells in G1 phase of the cell cycle are most sensitive?

False

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There are about 40 000 human genes and ESTs (expressed sequence tags) available on the Affymetrix Gene Chips for gene expression. Make some reasonable assumptions and estimate, for a normal organ, the number of genes that will appear to be expressed significantly greater than or less than the population norm (95% confidence interval).	In ionizing radiation, mitosis does not occur in irradiated cells?