Membrane rafts are found in the cytoplasmic membranes of
A) archaea only.
B) bacteria only.
C) eukaryotes only.
D) both archaea and bacteria.
E) both archaea and eukaryotes.
C
Bloom's Taxonomy: Comprehension
Section: Eukaryotic Cell Walls and Cytoplasmic Membranes
Learning Outcome: 3.31
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Measuring its costs and benefits in terms of energy spent and/or gained, mutualism
A. is a lose-lose interaction. B. results in gain for both individuals. C. results in a gain for one individual and a loss for the other. D. results in a gain for one individual and neither a gain nor a loss for the other. E. none of these
Genetic variability in sexually reproducing organisms arises within
A) crossover events between nonsister chromatids. B) crossover events between sister chromatids. C) egg and sperm genetic recombination from distinct individuals. D) egg and sperm genetic recombination from an individual. E) both choices B and C
Allosteric inhibition generally results from
a. excess substrates. b. binding of regulatory molecules at sites other than the active sites. c. a change in the temperature of the system. d. a lack of coenzymes. e. changes in pH.
All of the following contributes to pathogenicity EXCEPT:
a. enzymes b. capsules c. toxins d. allergic reactions