Multistranded cords of primary xylem and phloem are ____
a. vascular bundles
b. found only in monocots
c. found only in dicots
d. formed by stele
e. formed by pith
ANSWER: a
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An animal learns to associate its behavioral response with a reward or punishment in
A. deviant behavior. B. operant conditioning. C. classical conditioning. D. imprinting. E. behavioral learning.
The most common leukocyte in the blood is
a. a lymphocyte. b. an eosinophil. c. a basophil. d. a neutrophil.
Which of the following is the same for both Trypanosoma cruzi and Trypanosoma brucei?
A. central nervous system infection B. where the protozoan matures in the vector C. type of arthropod vector D. importance of early diagnosis and treatment E. means of entry into the host
Identical gene loci are located on ____________________
Fill in the blank(s) with correct word