89. Which of the following statements is true about the ionization energy ofMg⁺?
(A) It will be equal to the negative value of the electron affinity ofMg.
(B) It will be equal to the negative value of the electron aflfinity of Mg⁺・
(C) It will be equal to the ionization energy of Li.
(D) It will be equal to the negative value of the electron affinity of Mg²⁺.
(E) None of the above.

85. Which of the following radicals is the most stable? (A)(B)(C)(D)(E)

86. Disulfide linkages can form between________ . (A) two cysteine residues (B) two methionine residues (C) a cysteine residue and a methionine residue (D) two ttireonine residues (E) a methionine residue and a flireonine residue

87. What is the electron configuration for the barium atom? (A) 1s22s22p63p64s2 (B) 1s22s22p63s23p64s1 (C) 1s22s22p63s23p63d104s2(D) [Xe] 6s2 (E) 1 s22s22p63s2

88. Choose the correct statement. (A) A reaction that exhibits a negative value of △S cannot be spontaneous. (B) Exothermic reactions are always spontaneous. (C) Free energy is independent of temperature, (D) At constant pressure and temperature, a decrease in free energy ensures an increase in the entropy of the system. (E) None of the above.

90. Please choose the correct description for confidence level. (A) Confidence level is the probability that the sample mean lies within a certain interval. (B) Confidence level is the probability that the true mean lies within a certain interval. (C) Confidence level is the range of values within which the population mean is expected to lie with a certain probability. (D) Confidence level is the range of values within which the true value is expected to lie with a certain probability, (E) None of the above.

1. Which of the following is NOT a cytoskeleton protein? (A) Actin, (B) Microtubule, (C) Intermediate filament, (D) Syntaxin, (E) Spectrin

2. Which of the following is a coding RNA? (A) snRNA, (B) rRNA, (C) mRNA, (D) tRNA, (E) snoRNA

3. Lamin is a skeleton protein and found in (A) Plasma membrane, (B) Nucleus, (C) Golgi apparatus, (D) Mitochondrion, (E) Lysosome

複選題4. Which of the following is the characteristic of lagging strand primers? (A) Composed of RNA, (B) Made by DNA polymerase, (C) Incorporated into the newly-synthesized strand, (D) Generated from 3' to 5',(E) All of them

複選題5. Where dose protein glycosylation take place? (A) Plasma membrane, (B) Nucleus, (C) Golgi apparatus, (D) Mitochondrion, (E) Endoplasmic reticulum