题目内容

The deficiency of ( ) can result in albinism.

A. HMG synthase
B. HMG reductase
C. acetyl CoA carboxylase
D. hexokinase
E. tyrosinase

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Most of ammonia in our body will be converted to ( )

A. uric acid
B. urea
C. glycerol
D. cholesterol
E. malate

What amino acid is converted into oxaloacetate by the transamination ( )

A. Glycine
B. Aspartate
C. tyrosine
D. phenylalanine
E. Glutamate

What is not one-carbon unit at blow list ()

A. -CH3
B. -CH2-
CO2
D. -CH=NH
E. -CHO

The final catabolic product of purine base is ( )

A. uric acid
B. urea
C. glycerol
D. cholesterol
E. malate

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