The structure labeled "C" is the ____
a. trunk of the pulmonary arteries
b. left atrium
c. left ventricle
d. right atrium
e. right ventricle
ANSWER: e
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The putative ancestor of animals was:
A. choanoflagellates B. chytrids C. gnetophytes D. stramenopiles E. euglenozoa
Which of the following cell types does not move materials through the body of the plant?
A. sclerenchyma B. xylem vessel members C. sieve tube members D. tracheids E. sieve cells
Which of the following statements about action potentials is NOT true?
a. They are considered all-or-none b. Extreme excitation will result in a very large action potential c. They move via saltatory conduction in myelinated axons d. They are generated at the axon hillock
Which of the following tissue types are attached to a basal lamina or basement membrane?
A. Epithelial B. Connective C. Nervous D. Cartilaginous E. Muscle