Approximately how long does the menstrual cycle last if fertilization does not take place?.

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:

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a. 35°c

b. 25°c

c. 10°c

d. 40°c