Lampreys differ from fishes in that lampreys

A) lack a backbone.
B) lack an endoskeleton.
C) lack jaws.
D) possess a backbone and skull.


Ans: C) lack jaws.

Biology & Microbiology

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Fill in the blank(s) with the appropriate word(s).

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Which of the following is NOT produced by an animal muscle cell operating under anaerobic conditions?

a. heat b. pyruvate c. NAD+ d. ATP e. lactate f. all are produced

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Who conducted the famous "imprinting" experiment on geese?

A. Mendel B. Lorenz C. Darwin D. Raven E. Russel

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pH is the -log[OH-]

Answer the following statement true (T) or false (F)

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