21. What is the product of the catabolic breakdown of Alanine?
A. Fumarate
B. Oxaloacetate
C. Pyruvate
D. Malate
22. How many different amino acids are there?
A. 3
B. 20
C. 100
D. An infinite number
23. Amino acids required in the human diet and not synthesized by the body are called
A. specialized
B. trace
C. essential
D. accessory
24. Which of the following amino acid contain an imidazolium moiety?
A. Alanine
B. Valine
C. Cysteine
D. Histidine
25. The sequence of letters ‘WYQN’ will represent
A. Tryptophan, tyrosine, glutamic acid, asparagine
B. Tryptophan, tyrosine, glutamine, asparagine
C. Tryptophan, glutamine, tryptophan, asparagine
D. Glutamine, tyrosine, tryptophan, aspartic acid