Which of the following are molecular mechanisms used in epigentic gene regulation?
A. DNA methylation
B. Covalent histone modification
C. Chromatin remodeling
D. All are correct
D
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Of the following countries, which of them
control and have natural resources rights to the Arctic?
a. Russia d. none of these b. Canada e. all of these c. United States
Two hip bones make up the ________ girdle.
Fill in the blank(s) with the appropriate word(s)
Which of the following describes having more than one reproductive episode during a lifetime?
A) cohort B) dispersion C) Allee effect D) iteroparous E) semelparous
At night, the Calvin cycle in a C3 plant
A. runs in a different place in the plant. B. can still run as long as there is ATP, CO2, and NADPH present. C. uses a different source of carbon. D. cannot run, as it requires light energy directly.