The endomembrane system is composed of ____
a. microtubules, microfilaments, and intermediate filaments
b. endoplasmic reticulum, Golgi apparatus, and peroxisomes
c. vesicles, peroxisomes, and chloroplasts
d. mitochondria, Golgi apparatus, and ribosomes
e. plasma membrane, nuclear envelope, and thylakoid membranes
ANSWER: b
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Type ________ hypersensitivity involves delayed, cell-mediated immune reactions.
A. I B. II C. IV D. III
The major difference between a structural lipid, such as those in cell membranes, and a storage fat is
the fact that the structural lipid:a. most commonly contains phosphate. b. does not contain glycerol. c. has four fatty acids attached to glucose. d. is entirely hydrophobic. e. is nonpolar
Why might crop plants be genetically modified?
A) to decrease pesticide resistance in the plants B) to make the plants more resistant to freezing C) to reduce the amount of fat in the plants D) to increase the incidence of galls in the plants
Which of the follow produces a rash that leaves permanent scars on the skin?
A. Herpesviridae B. Papillomaviridae C. Poxviridae D. Adenoviridae E. Polyomaviridae