In an ionic bond
A) atoms share a pair or more of electrons.
B) oppositely charged atoms attract.
C) like-charged atoms repel.
D) each atom gains electrons.
B
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Describe the functional groups that are considered acidic or basic
A) An amino group acts as a base because it can accept hydrogen ions, and a carboxyl group acts as an acid because it releases a hydrogen ion. B) An amino group acts as a base because it releases a hydrogen ion, and a carboxyl group acts as an acid because it can accept hydrogen ions. C) A phosphate group acts as a base because it can accept hydrogen ions, and a hydroxyl group acts as an acid because it releases a hydrogen ion. D) A phosphate group acts as an acid because it can accept hydrogen ions, and a hydroxyl group acts as a base because it releases a hydrogen ion. E) Phosphate groups can act as an acid or a base depending on the pH of the surrounding solution.
Rapidly adapting proprioceptors that provide positional information during movement are called ______ receptors
A. phasic B. tonic
The tissue that forms the inner lining of the respiratory passages is
A) mucus-secreting and transitional. B) serous fluid-secreting, simple, and columnar. C) stratified, sputum-secreting, and non-ciliated. D) mucus-secreting, ciliated, and pseudostratified.
Normally, the amount of plasma in whole blood is ________ than the amount of formed elements; plasma makes up approximately ________ percent of whole blood
A) greater; 65 B) greater; 55 C) less; 30 D) less; 45