The three-dimensional shape of a protein is its ________ structure.
A. primary
B. secondary
C. tertiary
D. quaternary
Answer: C
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Budding bacteria form new cell wall material at a single point rather than throughout the whole cell
Indicate whether the statement is true or false.
If primary production increases in an ecosystem, it would be reasonable to expect that
A. nutrients are a limiting factor. B. gross production would not increase. C. cellular respiration would increase. D. the trophic web has become more complex. E. the biomass of herbivores would increase.
A water molecule, as shown here, is polar because of
a. the transfer of electrons. b. unequal sharing of electrons. c. its ability to freeze. d. its hydrogen bonds. e. the negative charge of the molecule.
Which step in this process requires use of restriction enzymes?
A) step A B) step B C) step C D) step D