Crick and his colleagues proposed that the genetic code consists of a series of blocks of information, called ________, each corresponding to one amino acid in an encoded protein.
A. polypeptides
B. alleles
C. genes
D. codons
Answer: D
You might also like to view...
Which are the MOST dominant chemolithotrophs in pelagic waters?
A) ammonia-oxidizing Archaea B) ammonia-oxidizing Bacteria C) sulfate-reducing Bacteria D) Prochlorococcus
Why is antigenic drift a problem for the immune system?
A. It requires a new, primary response by B cells. B. The ability of MHC to present antigen is affected. C. T cell receptors may not recognize the altered antigen. D. Two answer options are correct: It requires a new, primary response by B cells AND T cells may not recognize the altered antigen.
Succession after a catastrophic disturbance such as a volcanic eruption is referred to as ________ succession
Fill in the blank(s) with correct word
The neurotransmitter nitric oxide (NO) ____________.
A) is a human pheromone released outside the body B) has more than one target in the body C) is the only neurotransmitter that is a gas D) does not function in the nervous system of mammals E) is stored in vesicles of the synaptic terminal of neurons