Tissue transplantation has been made possible by our ability to
A) competitively inhibit HLA molecules.
B) alter the expression of the HLA molecules.
C) inhibit the binding of helper T cells to the HLA.
D) closely match HLA molecules between individuals.
E) inhibit interleukin-5.
Answer: D) closely match HLA molecules between individuals.
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A. detritivore B. consumer C. autotroph D. producer
What is one reason why women with the genotype XXX are not phenotypically different from an XX female?
A. Because only one X is active in each cell, regardless of how many X chromosomes there are in a cell. B. Because the X chromosome only carries genes dealing with being a female, so having another one doesn't matter. C. Because the extra X chromosome only becomes active in nonreproductive areas of the body. D. Because we have enzymes that will recognize and degrade the extra X chromosome. E. None of the answer options is correct.
The area surrounding cells outside the plasma membrane is referred to as the ________ environment
Fill in the blank(s) with correct word
Imagine you are working for the Florida Public Health Department and you have been assigned the task of preventing malaria from spreading throughout the southern Everglades. Which of the following scenarios would have a chance of success?
A. devising an insect repellant that would prevent the Anopheles mosquito from biting a human host B. developing a vaccination that would prevent the ability of the merozoites to reproduce within the host's bloodstream C. spraying the edges of the Everglades with a pesticide that will kill mosquitos D. All of these scenarios would have a chance of success in preventing malaria from spreading throughout the southern Everglades.