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.
Transport
The protein is working to transport substances across the membrane.
Answer:
The male has two XY while females only have x.
Explanation:
There you go
Birds, just like humans, have a four-chambered heart.
Answer:
abnormal development or growth especially of cells.
