Four of the following are chelicerates. Which one is the exception?
a. Tick
b. mosquito
c. spider
d. horseshoe crab
e. scorpion
ANSWER: b
Biology & Microbiology
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A phosphorus shortage in soil would make it difficult for plants to produce:
A. DNA B. starch C. amylose D. cellulose
Biology & Microbiology
A channel that opens in response to changes in ionic charge across a membrane is called a(n) ____ channel
a. voltage-gated b. ligand-gated c. charge-gated d. electric-gated e. positive-gated
Biology & Microbiology
Compact bone tissue is located in the area
indicated by a. A. b. B. c. C. d. D. e. E.
Biology & Microbiology
Which glands function to keep the skin and hair soft?
Sebaceous glands Sweat glands Arrector pili Endocrine
Biology & Microbiology