Biochemistry Quiz: Amino Acids and Metabolism
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Biochemistry Quiz: Amino Acids and Metabolism

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@GainfulForesight6943

Questions and Answers

Which amino acid can be formed by hydroxylation of phenylalanine?

Tyrosine

Elevated homocysteine levels in the blood can be associated with a deficiency in which vitamin?

Vitamin B12

Which enzyme deficiency would have the greatest effect on protein digestion?

Trypsin

Which amino acid metabolism reduction can lead to elevated homocysteine levels?

<p>Methionine</p> Signup and view all the answers

Which of the following is NOT part of the catecholamines family derived from tyrosine?

<p>Cortisol</p> Signup and view all the answers

Which citric acid cycle intermediate can participate in Heme Biosynthesis?

<p>Citrate</p> Signup and view all the answers

Which of the following is NOT a function of glycoproteins?

<p>Serving as antibodies</p> Signup and view all the answers

In the urea cycle, which molecule is formed from citrulline when combined with aspartate?

<p>Arginine</p> Signup and view all the answers

Which of the following best represents the function of argininosuccinate synthase in the urea cycle?

<p>Cleavage of argininosuccinate to fumarate and arginine</p> Signup and view all the answers

Which of the following is true about DNA polymerases in DNA synthesis?

<p>They require an RNA primer for DNA synthesis</p> Signup and view all the answers

Which of the following statements about hemoglobin is correct?

<p>It contains iron linked to heme through cysteine</p> Signup and view all the answers

Regarding heme catabolism, which process is involved in breaking down the porphyrin ring?

<p>Oxidative cleavage</p> Signup and view all the answers

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