14. Which of the followings regarding bacterial plasmids is true? (A) Part of chromosomal DNA molecules (B) Linear (C) Can not be autonomously replicated (D) Could carry the genes involved in the resistance to antibiotics (E) None of the above

10. Which of the followings is not true? (A) Hemoglobin is a homologue of myoglobin (B) Hemoglobin is a tetramer whereas myoglobin is a monomer. (C) Hemoglobin exhibits a sigmoidal O saturation curve while myoglobin exhibits a hyperbolic curve. (D) Hemoglobin exhibits O 2 binding cooperativity while myoglobin does not. (E) Hemoglobin exhibits a higher degree of O 2 saturation at all physiologically relevant partial pressures of O 2 than does myoglobin.

14. Which of the followings regarding bacterial plasmids is true?
(A) Part of chromosomal DNA molecules
(B) Linear
(C) Can not be autonomously replicated
(D) Could carry the genes involved in the resistance to antibiotics
(E) None of the above

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