what term refers to inactivated exotoxins used to manufacture vaccines?
What will be an ideal response?
Toxoid
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People with at least one copy of the HLA-B53 gene are better able to beat back malarial infections before the infection progresses. If this is a coevolutionary arms race between Plasmodium and humans, what would the next step in this race be?
A) to see humans with more than one copy of the HLA-B53 gene B) to see humans without the HLA-B53 gene C) to see Plasmodium populations that counter the HLA-B53 gene D) to see Plasmodium populations that have the HLA-B53 gene E) to see a mutation in the HLA-B53 gene that makes it more effective against malarial infections
Transposons are frequently used as cloning vectors.
Answer the following statement true (T) or false (F)
The dynamics of an ecosystem depends on two
main processes:
a. the cycling of energy and the unidirectional flow of nutrients. b. the unidirectional flow of energy and the cycling of nutrients. c. the multidirectional flow of both energy and nutrients. d. the unidirectional flow of both energy and nutrients. e. the cycling of both energy and nutrients.
An organism has inherited a mutation that causes a loss of follicles. What do you predict would be the effect in this individual?
A. The organism would lack feathers or hair. B. The organism would lack skin glands. C. The organism would lack mesoderm. D. The organism would lack the lateral line system