The echinoderms are most closely related to the ________.
A. mollusks
B. arthropods
C. flatworms
D. chordates
Answer: D
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Judy had plaque buildup in her arteries. When one of these ruptured, a blood clot traveled to
her brain where it blocked blood flow, resulting in death of some of the brain cells. This is an example of __________.
a. a stroke b. atherosclerosis c. coronary heart disease d. a carcinogen
The most likely place where an exoenzyme participates in a chemical reaction is ________.
A. outside of the cell B. within the cell membrane C. in mitochondria D. in lysosomes E. in cytoplasm
What type of tissue is characterized by adherence to a basement membrane on one side and a free
surface on the opposite? a. connective b. muscle c. nervous d. epithelial e. adipose
The mutualistic algae that live within the tissues of corals are called ________
Fill in the blank(s) with correct word