Answer:Adenine and guanine are purine bases found in both DNA and RNA. ... What is the nitrogenous base displayed in the computer model? ... Click the button below to examine the structure of a nucleotide triphosphate.
Explanation:
Answer:
Respiratory: E
Nervous: C
Muscular and Skeletal: B
Circulatory: A and D
Answer:Proteins
DNA sequences make up amino acids which will make up proteins.