How many different kinds of naturally occurring amino acids are specified by the genetic code?
A. 3
B. 6
C. 12
D. 20
E. 28
Answer: D
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Design an enrichment strategy for the isolation of a heterotrophic sulfate-reducer that could help clean up the oil spill in the sediments of the Gulf of Mexico
What will be an ideal response?
Organisms that grow very slowly, are non-curable, are present in very small numbers, or are mixed with a number of other bacteria may still be identified using
A. Southern blotting. B. replica plating. C. PCR. D. gas chromatography of fatty acids.
Which molecule represents one of the best examples of a commonly shared signaling pathway connected to memory
in invertebrates and vertebrates?
a. cyclic AMP b. cyclic GMP c. RNA cyclase d. RNA binding protein e. non-responsive binding protein
What is the purpose of the site-specific recombination system that acts during the replication cycles of both plasmids and bacterial chromosomes?
What will be an ideal response?