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• 56. Which of the following enzymes is related to the CO2-assimilating reactions(Calvin cycle) in pla
• 57. Many bacteria have thick, rigid extracellular walls that protect them from osmoticlysis. Which o
• 58. Where does the pentose phosphate pathway occur in the cells?(A) Cytosol (B) Mitochondria (C) End
• 59. Which of the following is a major storage form of lipid in animals?(A) Cholesterol (B) Sphingoli
• 60. Which of the following is necessary for long-chain saturated fatty acidsbiosynthesis?(A) Acetyl-
• 61. What is the final product of fatty acid synthesis?(A) Palmitate (B) Stearic acid (C) Oleic acid
• 62. Eicosanoids are locally acting signaling molecules, controlling numerousimportant homeostatic an
• 63. In living systems, reduced nitrogen is incorporated first into amino acids and theninto a variet
• 64. Which of the following amino acids is the precursor of glycine?(A) Glycine (B) Glutamate (C) Arg
• 65. Degradation of iron-porphyrin (heme) generates bilirubin, which is converted tobile pigments wit
• 66. Which of the following amino acids is the precursor of nitric oxide, a biologicalmessenger?(A) G
• 67. Which of the following biochemical methods is   NOT   related to antibodies?(A) Immunoprecipitat
• 68. Which of the following hormones bind to specific receptors in the membrane oftarget cells withou
• 69. Which of the following molecular is the key intermediate in glucose metabolismand lies at the cr
• 70. Most cellular DNAs are supercoiled. What is the relation between writing number(Wr), linking num
• 71. Which of the following specialized regions on the chromosome plays a criticalrole in the even di
• 72. Which kind of mechanism is   NOT   included in the central dogma of molecularbiology?(A) Replica
• 73. Which of the following is a method of sequencing amino acids in a peptide?(A) Edman degradation
• 74. Which of the following is the most common start codon for protein synthesis ineukaryotes?(A) UAA
• 75. Which description is   NOT   correct about DNA replication?(A) Replication of DNA occurs with ve
• 76. Which of the following is   NOT   a type of RNA processing?(A) Capping of the 5’ end of RNA(B) P
• 77. Which of the following are ketogenic amino acid?(A) Arg, Pro (B) Ile, Met (C) Phe, Tyr (D) Leu,
• 78. What kind of immunoglobulin is the major type of antibody in the blood, lymphfluid, cerebrospina
• 79. Which complex in the respiratory chain is inhibited by rotenone?(A) Complex I (B) Complex II (C)
• 80. Moderna COVID-19 vaccine is a type of ribonucleic acid (RNA) vaccine. Whattype of RNA is its pri