Cartilage injuries do not repair themselves because ________.
a. All of these choices are reasons cartilage injuries do not repair themselves
b. cartilage does not receive nutrients very easily
c. cartilage does not contain blood vessels
d. None of these are reasons as cartilage does heal itself.
e. cartilage does not divide in adults
a
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A molecule's behavior can be significantly modified by simply altering a functional group; for example, replacing a carboxyl group with a(n) ________ group will reduce a molecule's solubility in water
a. amine b. phosphate c. methyl d. hydroxyl
Four of the five answers are traits of amphibians. Select the exception
a. carnivores b. amniote c. scaleless d. land dwelling e. typically breed in water
The ratio of the size of the image seen with the microscope to the actual size of the object is called:a
magnification. b. resolution. c. resolving power. d. centrifugation. e. fractionation.
Which of the following cells increase in number during an infection with parasitic worms?
A) basophils B) macrophages C) neutrophils D) eosinophils E) lymphocytes