Mixed acid fermentation is characteristic of which taxonomic group?
a. enterics
b. pseudomonads
c. spore-formers
d. syntrophs
Answer: A
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The three-dimensional structure of macromolecules is formed and maintained primarily through noncovalent interactions. Which one of the following is not considered a noncovalent interaction?
A) carbon-carbon bonds B) hydrogen bonds C) hydrophobic interactions D) ionic interactions E) van der Waals interactions
To test Mendel's Law of Segregation, the experimenter needs ________
A) a minimum of two contrasting forms of a gene B) at least 500 offspring to count C) a DNA sequencing apparatus D) the ability to perform a test cross E) access to several generations of data
Predict what would happen if transport between the Golgi apparatus and a growing hyphal tip in a fungus was interrupted.
A. extension of the hyphal tip would be discontinued B. transport by vesicles of cell-wall materials would be blocked C. uptake of water by osmosis would not occur D. transport by vesicles of enzymes would cease E. All of the answers are correct.
Darwin used a tree of life metaphor to:
a. link species in varying degrees of similarity according to their historical pattern of descent. b. describe the branching historical relationships among all living things. c. apply to both the history and pattern of life's diversity. d. All of the above.