Energy is defined as ____
a. the capacity to do work
b. the movement of atoms and molecules
c. movement of electrons
d. measurement of food intake
e. capacity to store sugar
ANSWER: a
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All protists have cell walls
A. true B. false
A third level consumer may eat
a. herbivores. b. primary producers. c. primary carnivores. d. second trophic level organisms. e. none of these.
vA physician using a microscope to examine suspect cells in biopsy tissue would expect to find each of the following characteristics in metastatic cancer cells except
A) poorly differentiated cells. B) many dividing cells. C) perfectly spherical nuclei. D) a poorly defined tumor boundary. E) a high nucleus to cytoplasmic volume ratio.
How might telomere length be affected in a cloned animal like "Dolly" the sheep?
A. Telomeres might be longer than normal B. Telomeres might be shorter than normal C. Telomeres might be of normal length D. No telomeres would be present