14. Which ONE chymotrypsin is false? A) I or the following concerning the cataly

Question

14. Which ONE chymotrypsin is false? A) I or the following concerning the catalytic mechanism and specificity of nism, water is directly involved in the generation of the second n the catalytic mecha tetrahedral intermediate. B) The ability of His 57 to remove a proton from the side chain of Ser 195 is enhanced by the proximity of Asp 102 to the active site histidine. e acyl enzyme intermediate has a covalent link between the active site serine and the amine D) A single polypeptide chain containing 100 amino acid residues (10 residues each of F, D, S, T, W, C) Th product of the enzyme E, G, and Y) can be completely degraded by chymotrypsin into 31 pieces. (The carboxyl terminus of the 100 amino acid polypeptide is T.) 15. Which statement is correct? A) Static structures typically include microfilaments and microtubules. B) All cells contain microfilaments, intermediate filaments and microtubules. C) Long polyme D) Microtubules are inflexible rod-like polymers. rs made of globular monomers make up microtubules and microfilaments. must be polymerized at a 16. If microtubules are extending, then only theiren faster rate than their_end C) D)E) none of the above

Explanation / Answer

Answer 14. Option d is not true.

Answer 15. Option c

Microtubules polymers are made up globular monomers, tubulin. Whereas, microfilaments are made up of the globular protein, actin. Microtubules are thicker than the microfilaments.

Answer 16. Option a

+ end refers to where polymerisation is done, and - end is where Depolarization is done. So, if microtubules are extending the + end should exceed to the - end.

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