Epigenetic effects are the result of:
a. a change in the RNA sequence.
b. DNA methylation.
c. RNA methylation.
d. a change in the DNA sequence.
e. all of these option
B
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From an evolutionary point of view, what important process occurs when a young male baboon leaves the troop that he was born in to join another troop?
When experimenting with Streptococcus pneumoniae in the 1920s, Griffith concluded that some substance from the dead S strain bacteria passed to the R strain bacteria, imparting virulence and the ability to form a capsule. Avery and others continued the search for the substance that "transformed" the R strain into the S strain.Hypothesis I:Genetic material or "transforming substance" is protein.Hypothesis II:Genetic material or "transforming substance" is RNA.Hypothesis III:Genetic material or "transforming substance" is DNA.An experiment was performed in which DNAase enzyme digestion prevented transformation. This finding
A. supports Hypothesis I. B. supports Hypothesis II. C. supports Hypothesis III. D. rejects Hypothesis I only. E. rejects Hypothesis II only. F. rejects Hypothesis III only. G. does not support any of these hypotheses.
The surface of a nucleus is bounded by a special kind of membrane called the ________.
What will be an ideal response?
In order to still be able to take up water, a plant would benefit from increasing solute concentrations in their roots in all of the following situations except which?
What will be an ideal response?