A mutation involving a single nucleotide is a ________ mutation.
A. point
B. duplication
C. deletion
D. aneuploidy
E. nondisjunction
Answer: A
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Compared to the right ventricle, the left ventricle has all the following characteristics except
A) has a thicker wall. B) is round in cross section. C) pumps a greater volume. D) works harder. E) produces about four to six times more pressure when it contracts.
Name the three types of neurons
What will be an ideal response?
Pulmonary surfactant
a. is secreted by Type II alveolar cells. b. decreases surface tension of the fluid lining the alveoli. c. resists elastic recoil of the lungs. d. is a combination of lipoproteins. e. all of these answers.
The ability of the lens to change its shape from flattened to round is known as __________.
What will be an ideal response?What will be an ideal response?