Four of the five elements listed below are
macronutrients. Select the exception.
a. manganese
b. potassium
c. calcium
d. magnesium
e. phosphorus
Answer: a
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If the solution surrounding a cell contains less solute than the cytoplasm does, the osmotic condition is said to be:
a. hypotonic. b. isobaric. c. isotonic. d. hypertonic. e. adiabatic.
A change in allele frequencies due to random chance is termed ________.
a) natural selection b) genetic equilibrium c) genetic drift d) gene flow
Four of the following statements about fossils found on the island of Flores are true. Which one is the exception?
A. They are shorter than modern humans. B. They have very small brains. C. They are 200,000 years old. D. They have a heavy brow ridge. E. They have been described to be like “hobbits.”
The accumulation of glucose 6-phosphate inside a bacterial cell via phosphorylation of glucose is an example of
A) facilitated diffusion. B) group translocation. C) osmosis. D) plasmolysis. E) diffusion.