uestion 75 (1 point) Which statement is TRUE regarding tyrosine catabolism? a) T

Question

uestion 75 (1 point) Which statement is TRUE regarding tyrosine catabolism? a) The first step in catabolism of tyrosine is reduction to phenylalanine b) Tyrosine can be considered solely glucogenic. c) Atoms from tyrosine's sidechain enter the citric acid cycle as fumarate. d) All of the statements are true. e) None of the statements is true. Save Question 76 (1 point) B Why is an anaerobic fate of pyruvate necessary in skeletal muscle? a) It is required to maintain the reducing environment of the cytosol. b) It allows for the re-oxidation of NADH to NAD', as NAD is in limited supply c anaerobic conditions

Explanation / Answer

75. The correct is option is Atoms from tyrosines sidechain enter the citric acid as fumarate.

Phenylalanine is converted into tyrosine and this is converted in series of steps to generate fumarate which is fed into the citric acid cycle to generate acetyl-coA

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