Which best describes the scientists who contributed to our current body of
knowledge?
O
A. Europeans
O
B. People of all races
O
C. White males
O
D. People from South Asia

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

the answer is d p: cell, q: organ, r: organ system, s: tissue