This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Genetics, Subject name: Biochemistry
[{'content': "Complimentary sequence of 5' GCACC 3' \nSelect and explain. \nA. 5' CCACG3', B. 5' CGTGG 3', C. 3' GGTGC 5', D. 5'GGTGC 3'", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans: d (5' GGTGC 3') Ref: Lippincott 3rd ed/p. 395.Adenine (A) always pairs with Thiamine (T).There are 2 Hydrogen bonds between A and T.Cytosine(C) always pairs with Guanine (G).There are 3 Hydrogen bonds between C and G.Complementary sequence of 5'-3' end always proceeds from 3'-5'.Therefore,5'GCACC 3' Complements 3'CGTGG 5'This can also be rewritten in 5' - 3' as5' GGTGC 3'", 'role': 'assistant'}]