The most common limit to plant growth is the lack of which nutrient?

a. carbon
b. hydrogen
c. oxygen
d. nitrogen


Ans: d. nitrogen

Biology & Microbiology

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A complication risk of gastric bypass surgery that bypasses most of the small intestine is

A. loss of muscle tone B. type 2 diabetes C. vitamin and mineral deficiencies D. kidney failure E. cessation of insulin production

Biology & Microbiology

Two genes that share a common ancestral gene will probably have significant homology

Indicate whether the statement is true or false

Biology & Microbiology

If it were part of a food web, a pigeon could be eaten by 

A. humans. B. hawks. C. cats and dogs. D. All of these answers are true.

Biology & Microbiology

Which of the following does NOT affect the rate of diffusion?

a) solvent density b) temperature c) mass of the molecule diffusing d) extent of the concentration gradient e) all of these affect the rate of diffusion

Biology & Microbiology