A substance that may trigger an immune response, if presented in the right context is termed a(n)
A) cytokine. B) antigen. C) effector. D) antibody. E) hapten.
Answer: B
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Which of the following is an autoimmune disease?
A. Glomerulonephritis B. Scarlatina C. Scarlet fever D. Rheumatic fever
Because of the high pressure and cold temperatures, few species of organisms survive in the deep benthic zone of the ocean
Indicate whether the statement is true or false
Factors which provide a measure of biodiversity in a particular ecosystem include
A) the total number of species in that ecosystem B) the variability of the individual genes C) the relative abundance of each species D) the number of different habitats being utilized E) All of the choices are correct.
The equilibrium potential for a particular ion is __________.
A) the total quantity of that ion within a cell at rest B) the maximum quantity of that ion that can be contained within a cell C) the magnitude of the membrane voltage at equilibrium for that ion D) the total amount of that ion inside the cell at equilibrium for that cell E) the contribution of that ion to osmosis across the membrane of a cell