A three-chambered heart
A) has one atrium and two ventricles.
B) has three ventricles.
C) has two atria and one ventricle.
D) is found in fish.
E) has three atria.
C
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Which animal is likely to have the circulatory pattern shown in the figure?
A. frog
B. mammal
C. bird
D. fish
E. crocodile
The common currency of the Economic Monetary Union is the
a. franc. b. pound. c. euro. d. mark.
The _____ of an antibody molecule functions to recognize and bind to a specific antigen
a. antigen-antibody complex b. antigen-binding site c. light chain d. heavy chain e. immunoglobulin motif
Inosine is found
A) in aminoacyl-tRNA synthetases. B) in some eukaryotic elongation factors. C) in rRNA. D) in the third position of some codons. E) in the third position of some anticodons.