26. What was a commonly heard exclamation w War 1? a. Supercalifragilisticexpial

Question

26. What was a commonly heard exclamation w War 1? a. Supercalifragilisticexpialidocious! b. Cookies!! c. To infinity and beyond! d. It's not easy being green! e Oh Poop! when enemy a enemy aircraft overflew the trenches in World For questions 27 through 30 match the correct structure to it description. HN-C-H HN-C-H CH CH2 CH2 NH 1) CH2 CH2 +NH3 6) H3N-C-H H3N-C-H SH 27. Amino acid(s) found in high concentration in colan e. 2,5, &6 acid side chains e. 5&6 2&5 b. 5 c. 6 Amino acids with side chains that can form hydrogen bonds with polar amino and electrostatic interactions (a salt bridge) with each other. a. 1&2 28. b. 2&3 c. 3&4 29. Amino acid that can have a charged side chain under certain conditions in vitro but will not have a charge in the cell. b. 3 d. 5 o. Amino acid(s) that are classified as nonpolar, but depending on conditions, may be found on or near the surface of a properly folded protein a. 1& 3 c. 1&5 d. 2 & 4 e. 4&6 b. 3&5 A single amino substitution can give rise to a malfunctioning protein. a. True b. False

Explanation / Answer

27. 5 glycine has one of the high concentration in collagen.

28. 2 and 3 arginine and tryptophan form salt bridge by electrostatic interactions.

29. 6 cysteine

30. 3 and 5 glycine and tryptophan are found mainly in folded proteins.

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