environmental factors such as salinity and temperature can influence gene expression and cell differentiation. what is the role of these factors in gene expression?

Why does miranda have that particular vision of dr hildesheim answer?

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar