Biology 251 - Genetics » Spring 2021 » Topic 11.1 Quiz

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
The amino acid below that has no side chain is:
A.   cysteine.
B.   glycine.
C.   alanine.
D.   tryptophan.
E.   proline.
Question #2
Two side chins from the amino acid ____________ can form covalent bonds that connect different parts of the same polypeptide or different polypeptides.
A.   serine
B.   methionine
C.   proline
D.   glycine
E.   cysteine
Question #3
The amino acid ______ has its R group connected to both the alpha-carbon and the amino group nitrogen through covalent bonds.
A.   histidine
B.   cysteine
C.   methionine
D.   glycine
E.   proline
Question #4
The amino acid phenylalanine is:
A.   both aromatic and hydrophobic.
B.   both aliphatic and hydrophilic.
C.   both aromatic and aliphatic.
D.   both aliphatic and hydrophobic.
E.   both aromatic and hydrophilic.

Need help with your exam preparation?

Existing Quiz Clients Login here