A scientist was testing the accuracy of Chargaff's rule. She noticed that a DNA molecule contains 40% adenine, what are the percentages of each of the other
nitrogenous bases?
O A. 20% cytosine, 20% adenine, 20% guanine
B. 20%thymine, 40% guanine, 40% cytosine
C. 40% thymine, 10% guanine, 10% cytosine
D. 40% uracil, 10% guanine, 10% cytosine

the answer it's C

Explanation:

that sit

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 major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.