Biochem

BIOCHEM - Exam 2 Questions With Complete Solutions

BIOCHEM Midterm Exam 2 Questions with Verified Answers| 100% Correct| 100% Score Which of the following enzymes is part of both the TCA cycle and ETC? - Succinate dehydrogenase In the case of deficiency in phenylalanine hydroxlase which of the following amino acids will become essential - Tyrosine HFI is a rare recessive disorder. Which of the following is not a consequence of this enzyme deficiency? - They will have low blood sugar (hypoglycemia), especially after eating fruits, fructose,...

BIOCHEM CH 9: MEMBRANE TRANSPORT QUESTIONS WITH COMPLETE SOLUTIONS

Which amino acid is not chiral? a. Proline b. Glycine c. Tryptophan d. Histidine e. Isoleucine correct answers b. Glycine Do nucleic acids have a charge at the physiological pH? a. Nucleic acids are positively charged due to phosphate groups in a back bone b. Nucleic acids are not charged molecules c. Nucleic acids are negatively charged due to phosphate groups in a back bone d. Sugars in nucleic acids are positively charged, so nucleic acid molecules are negatively charged correct a...

BIOCHEM Midterm Exam 2 Questions and Answers 100% Solved Which of the following enzymes is part of both the TCA cycle and ETC? - Succinate dehydrogenase In the case of deficiency in phenylalanine hydroxlase which of the following amino acids will become essential - Tyrosine HFI is a rare recessive disorder. Which of the following is not a consequence of this enzyme deficiency? - They will have low blood sugar (hypoglycemia), especially after eating fruits, fructose, sucrose, jaundic...

Snake venom's poison is actually: a) A collection of digestive enzymes b) Repertory toxins c) Paralysis toxins and red blood cell poisons d) All of the above e) None of the above correct answers a) A collection of digestive enzymes. Pepsin requires ____________ to become active. a) Low pH b) Partial denaturation of a protein c) Zymogen activation d) All of the above e) None of the above correct answers d) All of the above. Which of the following is released by the small intestin...

How is malonyl-CoA formed? correct answer: Carboxylation of acetyl-CoA to form malonyl-CoA requires two steps (both use acetyl-CoA carboxylase). 1. The enzyme, complexed with biotin, acquires CO2 from HCO3 - a. Requires 1 ATP 2. The carbon is transferred to acetyl-CoA to form malonyl-CoA The overall reaction is irreversible and commits the molecule to fatty acid synthesis. Phosphate is added to HCO3 - and then removed so that biotin-carboxylase can grab the carbon. The carbon is donated to...

BIOCHEM FINAL EXAM QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS

Biochem Exam 1 Questions With 100% Accurate Solution Update A+ Review A mixture of lipids was isolated and saponified. The products of the reaction included stearate, palmitate, oleate, linoleate, linolenate, glycerol, phosphate, and choline. Which of the following was in the original lipid mixture. A. triacylglycerols B. sphingomyelins C. plasmalogens D. phosphatidylcholines E. waxes - Correct Answer->B. sphingomyelins Arachidonic acid is the precursor for all of the following ...