A. 13.5 grams is the answer.
Answer:
Addition of a(n) methyl group to certain lysine residues of a histone protein makes the region of chromatin transcriptionally silent; addition of a(n) acetyl group to certain lysine residues makes the region of chromatin transcriptionally active.
Explanation:
The changes suffered in the expression and activity of the genes are studied by the Epigenetics.
D. Hennig
Will Hennig was an entomologist who introduced the cladistic classification method.
Answer:
1 anything that has mass and takes up space=matter
Explanation:
their are three type of matter that are=solid liquid and gas
