All members of the phylum Chordata share
a. a notochord present sometime in their lives.
b. a vertebral column.
c. gills present throughout their lives.
d. tails present throughout their lives.
e. exoskeletons.
A
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The sequence of amino acids in a protein is based on the ________ of the mRNA.
Fill in the blank(s) with the appropriate word(s).
Which type of media is designed to support the growth of one group of organisms, but not another, by containing antimicrobials, dyes, or alcohol?
a. Selective b. Nutritive c. Differential d. Definitive
Which statement most correctly describes living cells?
a. Living cells grow, reproduce, and respond to outside stimuli in an uncoordinated fashion. b. Living cells grow and respond to outside stimuli in a coordinated fashion. c. Living cells grow, reproduce, and respond to outside stimuli in a coordinated fashion. d. Living cells reproduce and respond to outside stimuli in a coordinated fashion.
Assume you have isolated a multicellular heterotrophic organism that produces coenocytic hyphae, motile zoospores, and cellulose cell walls. It is most likely a(n)
A) ascomycete fungus. B) green alga. C) oomycote alga. D) tapeworm. E) zygomycete fungus.