Which structural feature of Gram-positive bacteria enhances their ability to retain the crystal violet dye?
a. an outer membrane
b. a thin peptidoglycan layer
c. a thick peptidoglycan layer
d. All of the above contribute to a Gram-positive cell's ability to retain crystal violet.
Ans: c. a thick peptidoglycan layer
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The region where filtration occurs is indicated
by a. A. b. B. c. C. d. D. e. none of these
Which of the following is NOT a fossil fuel?
a. wood b. coal c. petroleum d. natural gas e. all are fossil fuels
During glycolysis, phosphate groups are transferred to glucose from ATP. This process is called ____
a. ionization b. polymerization c. phosphorylation d. dephosphorylation e. anabolism
The ________ definition of species says that a species is a group of organisms that are reproductively isolated from other such groups.
Fill in the blank(s) with the appropriate word(s).