Choose the statement that correctly characterizes bound ribosomes.
a. Bound ribosomes are enclosed in their own membrane.
b. Bound and free ribosomes are structurally different.
c. Bound ribosomes generally synthesize membrane proteins and secretory proteins.
d. The most common location for bound ribosomes is the cytoplasmic surface of the plasma membrane.
e. All of the above.
c. Bound ribosomes generally synthesize membrane proteins and secretory proteins.
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Watson and Crick describe the relationship between ________ as a directional flow of information called the "central dogma".
A) nucleic acids and proteins B) enzymes and proteins C) peptides and polypeptides D) DNA and RNA
Land ecosystems lose nitrogen to aquatic systems through ____
a. decomposition b. ammonification c. soil leaching d. bacterial fixation e. denitrification
Behavior that involves giving up something of relatively low value in exchange for getting something of great value in the future is best described as:
a) prepared learning. b) kin selection. c) reciprocal altruism. d) inclusive fitness. e) direct fitness.
A protein has altered function as a result of a single amino acid substitution in the polypeptide. This change resulted from a (missense/nonsense/silent) mutation
What will be an ideal response?