In a molecule of oxygen gas, the atoms of oxygen share electrons equally with one another. This statement best describes a(n):
A) compound. B) ionic bond.
C) polar covalent bond. D) nonpolar covalent bond.
Answer: D
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Which of the following correctly describes transitional epithelial tissue?
A. A single layer of epithelial cells B. Epithelial tissue designed to stretch C. Epithelial tissue appears to be layered D. Stacked layers of epithelial cells
The _________________ are the isolated, innermost gray matter areas near the base of the cerebrum, inferior to the lateral ventricles.
a. auditory association areas b. cerebral nuclei c. substantia nigra d. corpus callosum axons
Naturally acquired passive immunity results from _____.
A) a bee sting B) immunization C) a flu shot D) placental transfer
The ________ ONLY transports food; it does not participate in digestion or absorption.
A. small intestine B. large intestine C. esophagus D. mouth E. stomach