Which of the following reagents would be most useful in determining the N-terminal amino acid of a polypeptide?
ATrypsin
BCarboxypeptidase
CPhenylisothiocyanate
DCyanogen bromide
The α-helix and β-pleated sheet in proteins are examples of which level of protein structure?
APrimary structure
BSecondary structure
CTertiary structure
DQuaternary structure
Which of the following diseases has the largest submerged portion in the iceberg model of disease?
AInfluenza
BChickenpox
CTetanus
DRabies
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