Inflammation begins when mast cells in tissue release __________, which increases blood flow and also makes capillaries leaky to phagocytes and plasma proteins.
Fill in the blank(s) with the appropriate word(s).
histamine
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When the ?G°' of a chemical reaction is positive (K'eq < 1.0) under standard conditions,
A) reactants and products are at equilibrium. B) work can be done under these conditions. C) reactants predominate over products. D) the reaction is spontaneous to the right. E) the reaction is exothermic.
Excessive heat or extremes of pH often cause denaturation of proteins, which means that the proteins ____
a. have fallen apart into individual monomer subunits b. are no longer biological molecules c. have broken into many separate domains d. are no longer in a functional three dimensional conformation e. are highly reactive
What kind of bacteria is likely to be found in deep-sea hydrothermal vent communities?
a. Heterotrophic bacteria b. Obligate anaerobes c. Chemosynthetic bacteria d. Cyanobacteria
Strep throat may progress to ________, characterized by a skin rash and a bright red swollen tongue
A) pyoderma B) toxic shock syndrome C) scarlet fever D) rheumatic fever E) scalded skin syndrome