The flow of genetic information in a cell goes from __________.
a. DNA to RNA to glucose
b. Protein to RNA to DNA
c. DNA to lipid to protein
d. DNA to RNA to protein
Ans: d. DNA to RNA to protein
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Which of the following best states the hypothesis tested by Abrams and Townsend while investigating the natural selection of copepods that avoid predation of bioluminescent dinoflagellates?
A. Copepods that avoid bioluminescent dinoflagellates have a smaller chance of being eaten by predators than do copepods that remain near and feed on the bioluminescent dinoflagellates. B. None of the answer choices is correct. C. The light emitted by bioluminescent dinoflagellates is of sufficient wavelength and energy to be dangerous to feeding copepods. D. The bioluminescent dinoflagellates produce enough light that they can also photosynthesize at night, harming the copepods. E. Bioluminescent flagellates benefit from selection of flashing, because it startles the copepods.
The body’s biological clock is associated with the activity of which hormone?
a. melatonin b. ANP c. ADH d. FSH e. prolactin
Which of the following is NOT a form of locomotion used by protozoa?
pseudopodia cilia flagella budding
What compound has the highest concentration in a cell?
A. H2O B. CO2 C. NH3 D. glucose E. CH4