Which layer of the heart is in contact with the blood?
A) pericardium
B) endocardium
C) myocardium
D) epicardium
E) epithelial
B
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The goal of eugenics is to
a. selectively engineer and change normal human traits into what some perceive to be more desirable characteristics. b. eliminate genetic disorders. c. produce genetically identical humans. d. eliminate genes for abnormal behavior. e. accomplish all of these
A new type of strawberry plant produces fruit in the late spring, throughout the summer, and into the fall. It is a(n) ________ plant
A) day-neutral B) long-day C) short-day D) indeterminate-day E) night-determinate
Bacteriophages derive all of the following from the host cell EXCEPT
A) lysozyme. B) tRNA. C) amino acids. D) nucleotides. E) ATP.
Enzymes that are always present, regardless of the amount of substrate are
A. constitutive enzymes. B. apoenzymes. C. endoenzymes. D. axoenzymes. E. regulated enzymes.