Cnidarian bodies are one of two forms. A ___ consists of a sessile stalk with tentacles on one end. A ____ is a free-swimming, bell-shaped, "tentacles-down" body form with a single opening forming the mouth.
A. cephalization; amnion
B. amnion; medusa
C. amnion; polyp
D. polyp; medusa
E. medusa; polyp
Answer: D. polyp; medusa
Biology & Microbiology
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A. phosphoprotein B. glycoprotein C. teichoic acid D. lipoprotein
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_____ form a waterproof seal between cells
a. Tight junctions c. Gap junctions b. Adhering junctions d. all of these
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________ molecules of ATP are generated from the complete cellular respiration of one molecule of glucose.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Which lineage do salamanders belong to?
a. Gymnophiona b. Aves c. Urodela d. Anura
Biology & Microbiology