Psychrophiles would be expected to grow
a. in hot springs
b. on the human body
c. at refrigeration temperatures
d. at low pH
Ans: c. at refrigeration temperatures
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Plant hormones bind specific cellular receptor molecules that trigger gene expression responses. Which statement is correct concerning these responses?
A. Only cells lacking receptors can bind hormones. B. Only cells in the meristem can respond. C. Only cells that express the appropriate receptors can bind hormones. D. Only cells that have been previously activated can bind hormones. E. None of these choices is correct.
The thymus plays an important role in ____
a. secretion of thyroxine b. immune function c. adrenal function d. production of testosterone e. sleep-wake cycles
In the following formula, what is ?? dN2/dt = r2N2(1 - (N2 + ?N1)/K2)
A) competition coefficient B) growth rate C) carrying capacity D) population size
At a given metabolic rate and heat production, which of the following exercises would allow the most cooling through convection?
What will be an ideal response?