Answer: Carbohydrate make up part of the cellulose, giving plants strength and structure.
Explanation:
Answer:
a. methylation at lysine 9 or 27 of histone H3.
Explanation:
Methylation causes the switching off of genes using steric hinderance to prevent access to DNA.
A) recessive alleles are only expressed when the offspring is homogenous recessive for the trait (as in, both inherited alleles are recessive)
