Translation stops when
a. enzymes attach to the mRNA at the end of
the mRNA transcript.
b. a certain number of codons have been read
specified by the DNA gene.
c. one of the three stop codons is encountered.
d. the cell runs out of tRNA.
e. more than one of these things happens
C
You might also like to view...
For a pure culture of Saccharomyces cerevisiae cells that were all derived from a single cell to mate,
A) a mating-type switch in one or more cells in the culture must occur. B) both the ? and the a gene must be fully expressed in the population. C) the ? gene must be fully repressed in the population. D) some cells must exist as diploids.
You may have noticed that the prepackaged deli meats you purchase in the refrigerated section of the grocery store seem to last longer than the same meats purchased freshly sliced from the deli counter. You are puzzled because the meats are identical and you expect the products at the deli to be fresher. What is the primary reason the prepackaged meats last longer?
A. The prepackaged meats are typically sprayed with bacteriophage to prevent the growth of Listeria monocytogenes, which typically causes spoilage. B. The prepackaged meats are not handled by the deli workers. C. The prepackaged meats are stored at a much colder temperature than the deli case. D. The prepackaged meats have modified atmosphere packaging that has excluded oxygen gas, which would promote the growth of spoilage organisms.
What are peripheral proteins
What will be an ideal response?
Genetic engineering has
A. reduced genetic diversity. B. expanded scientists' ability to modify domesticated plants and animals. C. created entirely new species. D. produced interspecific hybrids.