Primary protein structure is dependent upon ____
a. hydrophobic interactions
b. hydrogen bonds between two amino acids
c. covalent linkages between carbons and nitrogens of adjacent amino acids
d. covalent linkages between carbons and oxygens of adjacent amino acids
e. covalent linkages between the polypeptide and sugars or lipids
ANSWER: c
You might also like to view...
To which of the following is a megaspore most closely and completely related?
a. female gametophyte b. seed c. ovule d. egg e. endosperm
What is the ultimate source of genetic variation in populations?
What will be an ideal response?
The process of producing sex cells is
A. fertilization. B. mitosis. C. gametogenesis. D. ovulation.
Cells can pause in G1 when DNA is damaged, and can pause in S when there are replication errors. Indicate whether the mechanism below applies to a G1 arrest, an S-phase arrest, both types of arrest, or neither
A. p53 activates the transcription of a Cdk inhibitor. B. Cyclins are phosphorylated and destroyed. C. Cdk is unable to phosphorylate its substrates. D. The Cdc25 phosphatase is inhibited.