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• 65. Which of the following statements about protein-ligand binding is correct?(A) The Ka is equal to
• 66. Which of the following is a heteropolysaccharide?(A) Cellulose(B) Chitin(C) Glycogen(D) Hyaluron
• 67. The symptoms of severe combined immunodeficiency syndrome (SCID) are caused by a deficiencyof wh
• 68. Transport of fatty acids from the cytoplasm to the mitochondrial matrix requires:(A) ATP, carnit
• 69. Which of the following enzymes is inhibited by malonyl-CoA?(A) Fatty acid synthase(B) Acetyl-CoA
• 70. What is the CORRECT sequence of events involving cyclic AMP as a second messenger of glucagon ho
• 71.When the amino group has been removed from an amino acid, the carbon skeleton or a-keto acid mayb
• 72. Which process is NOT a source of ammonia in the body?(A) urea formation in the liver(B) deaminat
• 73 Reduction of the carbonyI group on a sugar rise to the class of polyhydroxy compounds called aldi
• 74. Enzyme kinetics provide the values of the Michaelis constant KMand the turnover number Kcat. Whi
• 75. Which of the following is not correct concerning cooperative binding of a ligand to a protein?(A
• 76. Which of the following is not involved in the specificity of signal transduction?(A) Interaction
• 77. The technique known as yeast two hybrid analysis for detecting interacting gene products depend
• 78. In DNA sequencing by the Sanger (dideoxy) method:(A) radioactive dideoxy ATP is included in each
• 79. Which of the following compounds would be most closely associated with the intermediate commonto
• 80. Which of the following enzymes and pathways are correctly matched?(A) Phospholipase D and prosta
• 81. Which of the following is the major site of expression for the monosaccharide transporter GLUT1?
• 82. Which of the following is/are the precursor(s) for the amino acid arginine?(A) glutamate, ammoni
• 83. Fluroacetate is an inhibitor of aconitase in TCA cycle. Which of the following types of inhibiti
• 84. The complete oxidation of I mole of glucose generates about 30-32 moles of ATP synthesized fromA
• 85. If glucose labeled with 14C in C-1 were fed to yeast carrying out the ethanol fermentation, wher
• 86. Which of the following statements concerning the B oxidation of fatty acids is true?(A) About 1,
• 87. Which one of the following statements about the reverse transcriptases of retroviruses and the R
• 88 Ubiquitin-mediated protein degradation is a complex process, and many of the signals remainunknow
• 89 Which of the following nonessential amino acids are synthesized from essential amino acids?(A) Gl