BIOCHEM C785 Final Exam Latest update With Complete Solution

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BIOCHEM C785 Final Exam Latest update With Complete Solution Which mRNA sequence results in a polypeptide that contains three amino acids? -Answer- 5' - CUU GAU ACU UAG - 3' Which RNA sequence w... ould end in the following polypeptide? Phe-Thr-Val-Stop -Answer- 5' - UUC ACA GUA UAA - 3' What is the complementary sequence for the following DNA sequence? 5' - GCC ATC TCG AAT - 3' -Answer- 5' - ATT CGA GAT GGC - 3' Assuming 100% reaction efficiency, how many DNA copies are created after the completion of four complete PCR cycles? -Answer- 16 What is the function of DNA polymerase in the process of PCR? -Answer- It recognizes the primers and uses the available dNTPs to replicate the template DNA sequence. 5' - [...] ATT CGC TAG GGC [...] - 3' − Normal DNA 5' - [...] ATT CGC GAG GGC [...] - 3' − Mutant DNA Which type of mutation and outcome characterizes the Mutant DNA? -Answer- A missense mutation leading to a longer protein 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? -Answer- GAA to GTA What are possible blood types of the parents of a patient with blood type AB? -Answer- A and B Which pair of chromosomes accurately depicts the genotype of a person with an autosomal recessive mutant HBB allele and sickle cell anemia? -Answer- option 3- 2 mutant genes on chromosome 11 Which pair of chromosomes accurately depicts the genotype of a person with an X-linked recessive mutant ALAS2 allele and sideroblastic anemia? -Answer- option 3, mutated allele Studies have shown that increased expression of two genes called SIRT1 and SIRT2 is associated with chronic exposure to cocaine and contributes to drug addiction. [Show More]

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