A friend is writing one of those “Animals Attack!” style movies, and needs your help choosing a species to fill the title role. The plot, to the extent that it can be called a plot, requires an organism that feasts on other animals with hard shells, and can sustain massive injuries only to come back stronger and in greater numbers. What species do you recommend?
a. bees
b. turtles
c. sea stars
d. hydras
c. sea stars
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The E-site
A. is found on the RNA polymerase enzyme. B. is responsible for the release of the tRNA. C. is found on the 35S polysome. D. is the aminoacyl site. E. is responsible for the release of the tRNA AND is the aminoacyl site.
In which phase of mitosis do chromosomes
arrive at opposite sides of the cell?
a. anaphase b. prophase c. metaphase d. telophase e. interphase
An individual can inherit a gene in which expression has been altered by an ________ change with no mutation of the gene sequence
Fill in the blank with correct word.
Which of the following results in a spontaneous mutation?
A. exposure to ultraviolet light and benzo (a)-pyrene B. exposure to X-rays C. exposure to benzo (a)-pyrene, a chemical substance found in cigarette smoke D. exposure to ultraviolet light E. free radicals produced by cellular metabolism