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
Biology & Microbiology
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
Biology & Microbiology
How many chromosomes are present in human somatic cells?
a. 22 b. 23 c. 44 d. 46 e. 48
Biology & Microbiology
Vacuoles for ingesting food and regulating their water balance are characteristic of
A. spirochetes. B. sporozoans. C. ciliates. D. trypanosomes. E. algae.
Biology & Microbiology