The primary mechanism whereby cytotoxic T cells are able to destroy infected cells involves
A) activation of the complement system.
B) the incorporation of perforins into the cell membrane.
C) phagocytosis.
D) incorporation of the major attack complex.
E) enzymatic degradation
Ans: D) incorporation of the major attack complex.
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The fittest organism in a population is the
A. organism that successfully produces the most offspring. B. strongest and fastest organism. C. organism that lives longest. D. most intelligent organism.
If a cell containing 20 chromosomes divides by mitosis, a total of how many daughter cells will be produced?
a. 1 b. 2 c. 3 d. 4 e. 5
The inheritance of leaf pigmentation in the four-o'clock plant Mirabilis jalapa is an example of ____
A. maternal effect B. maternal inheritance C. epigenetic inheritance D. imprinting
As you may have heard before, stress can kill you! Explain the connection between the deleterious effects of stress and the endocrine system
What will be an ideal response?