Neuromast cells are associated with the ____ of sharks
a. eyes
b. lateral line
c. nostrils
d. brain
e. ampullae
B
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Staphylococcus aureus and Streptococcus pyogenes produce exotoxins known as superantigens that bind to a site on the TCR that is outside the antigen-specific TCR binding site
Indicate whether the statement is true or false.
High altitude acclimatization results in all of the
following EXCEPT a. increased production of erythropoietin. b. increased blood-cell production. c. decreased workload for the heart. d. an increase in blood viscosity. e. increased O2 concentration in the blood.
Reductionism refers to the method of investigating structures by:
a. studying the whole. b. studying emergent properties. c. reducing our knowledge about these structures. d. studying the parts of the structures. e. studying many structures together.
What endogenous process helps plants to keep their movements and other responses synchronized with the environment?
A. gravitropism B. purine monitoring C. solar tracking D. a circadian clock E. auxin cycling