All of the following are part of the core oligosaccharide side chain in the ER, except
A) N-acetyl glucosamine.
B) erythrose.
C) mannose.
D) glucose.
E) both choices A and C
B) erythrose.
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What do the results of research on gravitropic responses of roots and stems show?
A) Different tissues have the same response to auxin. B) The effect of a plant hormone can depend on the tissue. C) Some responses of plants require no hormones at all. D) Light is required for the gravitropic response. E) Cytokinin can only function in the presence of auxin.
Which of the following are unique characteristics or components of the adaptive—but not innate—immune system? Select all correct choices
A. immune memory B. opsonization C. natural killer cells D. phagocytosis E. specificity
After dinosaurs became extinct, the number of mammal species increased greatly. What process applies to this example?
A) adaptive radiation B) endosymbiosis C) competition D) eukaryotic development
When performing the quadrant streak plate technique for isolation, which quadrant has the highest density of bacteria?
A) 1 B) 2 C) 4 D) 3