A fish in which a sharp spine is associated with the dorsal fins is the:

a. spiny dogfish.
b. sea bass.
c. hagfish.
d. sea horse.
e. goldfish.


A

Biology & Microbiology

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In the process of initiation, RNA polymerase and several regulatory proteins bind to a(n) ____________________ that marks the beginning of a gene

Fill in the blank(s) with correct word

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Which of the following is the terminology for an organism at the top trophic level of the food chain?

a. primary producer b. secondary producer c. apex consumer d. secondary consumer

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How many chromosomes are present in human somatic cells?

a. 22 b. 23 c. 44 d. 46 e. 48

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Vacuoles for ingesting food and regulating their water balance are characteristic of

A. spirochetes. B. sporozoans. C. ciliates. D. trypanosomes. E. algae.

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