WGU C785 Biochemistry Final Exam 2022/2023 Graded A+

WGU C785 Biochemistry Final Exam 2022/2023 Graded A+ Assuming 100% reaction efficiency, how many DNA copies are created after the completion of four complete PCR cycles?-Correct Answer- 16 What is the function of DNA polymerase in the process of PCR?-Correct Answer- It recognizes the primers and uses the available dNTPs to replicate the template DNA sequence What are the possible blood types of the parents of a patient with blood type AB?-Correct Answer- A and B - Amino Acid Number Try Gly Thr Pro - Amino Acid Sequence TAC GGG ACA CCA - DNA Sequence What is the amino acid in position 118 that results from a single nucleotide insertion immediately following the three guanines that encode for glycine 116?-Correct Answer- Thr In sickle-cell disease, the glutamic acid (Glu) at position number seven is mutated to valine (Val). What change in codons corresponds to this mutation?-Correct Answer- GAA to GTA Which type of mammalian DNA damage repair requires the presence of the chromosome that is homologous to the damaged chromosome?-Correct Answer- Recombination Xeroderma pigmentosum (XP) is a recessive genetic disease that occurs when one or more of the genes that perform nucleotide excision repair are nonfunctional. Why do XP patients have a much higher incidence of skin cancer than the general population?-Correct Answer- The mutation rate of all other genes is higher due to failure to repair Which mRNA sequence results in a polypeptide that contains three amino acids?-Correct Answer- 5' - CUU GAU ACU UAG - 3'