The enzyme, hypoxanthine-guanine phosphoribosyl transferase
A) is defective in most cases of clinical gout.
B) allows free purines to be reutilized for incorporation into DNA.
C) forms nucleosides as one product.
D) runs out of control in Lesch-Nyhan syndrome.
E) makes a product which stimulates the de novo biosynthesis of purine nucleotides.
Correct Answer:
Verified
Q61: Conversion of a ribose residue to a
Q62: Purine biosynthesis is subject to allosteric feedback
Q63: Which one of the following reactions is
Q64: A nucleotide intermediate common to the synthesis
Q65: Negative control of ribonucleotide reductase involves mainly
A)
Q67: The main catabolic product (i.e., urinary excretion
Q68: Which of the following is an anti-folate
Q69: C
A) folic acid.
B) dihydrofolic acid.
C) tetrahydrofolic acid.
D)
Q70: Tetrahydrofolic acid is essential for DNA synthesis
Q71: The formation of deoxyribonucleotides involves which of
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