Histone modification: a. can change over time in response to environmental cues, but this has no effect on gene expression. b. is fixed; once a histone is modified, it stays that way and the genes with which it is associated are turned on or off permanently. c. is random; sometimes the lysines are are modified and sometimes they're not, but the state is independent of the environment or cell type. d. is fixed, but this has no effect on whether genes are expressed. e. can change over time in response to environmental cues, allowing genes to be turned on or off as needed.
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Biology, 22.06.2019 02:30
{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.
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Biology, 22.06.2019 13:00
What is the one part of the nucleotide that differs among the other different nucle tides?
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Biology, 22.06.2019 13:20
Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down
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Histone modification: a. can change over time in response to environmental cues, but this has no eff...
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