As a general rule, the small intestine of a pig or human is
a. about 60 cm long.
b. about 1.5 m long.
c. about as long as the individual is tall (or long in the case of the pig).
d. about five times the height of the individual.
d
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The most common way to follow bacterial transformation with a plasmid is by
A. manufacturing the bacterial protein. B. conferring antibiotic resistance. C. separating the altered cell surface. D. making the cells immortal. E. altering the physical appearance of the cells.
In this representation of transcription, the first
genetic word of RNA is
a. ATG. b. ATA. c. UAU. d. GUG. e. AUG.
Which of the following methods of genetic recombination is common to both eukaryotic and bacterial cells?
A. Crossing over B. Vertical gene transfer C. Gamete fusion D. All of the choices are correct.
Which of the following factors exhibits one of the most striking changes as one crosses the ecotone between communities on serpentine and nonserpentine soils in southwestern Oregon?
A) soil depth B) soil temperature C) soil chromium D) soil moisture