When hemoglobin binds hydrogen ions it is acting as a(n)

a. neutralizer.
b. buffer.
c. acid.
d. base.
e. cation.


B

Biology & Microbiology

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As physical activity ramps up, a person typically begins to breathe more rapidly, to sweat, and to flush red. Describe how each of these physical responses of the body is connected to the reactants and products of the process of aerobic respiration.

What will be an ideal response?

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Monocots demonstrate which of the following characteristics? Select all correct choices

A. vascular bundles located around the outer circumference of the stem B. a vascular cambium that produces secondary xylem C. new roots that consistently form at the bases of stems D. nodes giving rise to single leaves

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What vulnerability is introduced by cell-surface signaling receptors?

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What is the thick fluid, rich in proteins and lipids, which is deposited in an animal's egg during its formation?

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