27. How many rounds of ẞ-oxidation would be required for a 18-C fatty acyl chain to be degraded to acetyl-CoA?(A) 16 (B) 8 (C)7 (D) 15 (E) None of the above

7. DNA double helix structure is stabilized by all of the following EХСЕРТ:(A) the sugar-phosphate backbones are oriented in opposite directions.(B) the glycosidic bonds holding paired bases are directly across the helix from one another.(C) cations such as Mg2+ bind to the anionic phosphates.(D) bases stack together through hydrophobic interactions and van der Waals forces.(E) appropriate base pairing builds a polymer whose external dimensions are uniform.

27. How many rounds of ẞ-oxidation would be required for a 18-C fatty acyl chain to be degraded to acetyl-CoA?
(A) 16
(B) 8
(C)7
(D) 15
(E) None of the above

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