What types of behaviors would you predict would be controlled by quorum sensing?
A. Behaviors effective for single bacteria
B. Behaviors effective for groups of bacteria
C. All behaviors
D. Only virulence behaviors
Ans: B. Behaviors effective for groups of bacteria
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In the experiment in which Frye and Edidin fused the plasma membranes of a mouse and a human cell,
what happened to the membrane proteins? a. They formed a spherical structure. b. They formed a bilayer. c. They moved laterally across the cell surface. d. They flip-flopped from one layer to the other. e. They reacted with cholesterol molecules on the membrane surface.
Viruses are categorized according to all of the following EXCEPT
A. their method of reproduction, whether asexual or sexual. B. their type of nucleic acid. C. the presence or absence of an envelope. D. size and shape.
Natural underground reservoirs consisting of layers of sand or porous rock that can hold water are called _______________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following, according to the Bloomberg graphs I showed, actually contributes to cooling the Earth?
What will be an ideal response?