The co-stimulatory molecule _____ on professional antigen-presenting cells binds _____ on the surface of naive T cells
a. DC-SIGN; ICAM-3
b. B7; CD28
c. ICAM-1; LFA-1
d. MHC class II; T-cell receptor
e. MHC class II; CD4.
B
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Cranberries are effective against urinary tract infections because ________
A) the fructose in them prevents bacteria from adhering to the bladder wall B) they increase the acidity of the urine C) they suppress the growth of bacteria because bacteria prefer an alkaline environment D) all of the above
Caffeine is a stimulant drug that is included in combination analgesic drugs used to treat migraine headaches
Indicate whether the statement is true or false.
The suffix that means weakness is ____________________
Fill in the blank(s) with correct word
The electron transport chain is located on the _________________ membrane of the mitochondria
Fill in the blank(s) with correct word