Bicarbonate ions in the blood can absorb hydrogen ions, keeping pH balanced.  Bicarbonate is acting as a ________ in blood.

A. alkaline
B. base
C. buffer
D. acid


Answer: C

Biology & Microbiology

You might also like to view...

Generally, the energy for pumping protons outside of a plant cell comes most directly from

a. sunlight. b. starch. c. ATP. d. diffusion. e. glucose.

Biology & Microbiology

How do amino acid sequences influence the properties of a protein?

An Ideal responce:

Biology & Microbiology

Trypanosomes that cause disease in humans escape destruction by the human immune system because they are resistant to phagocytosis.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Some athletes illegally use recombinant human ___________ to improve their athletic performance because it increases the oxygen-carrying capacity of the blood.

a. insulin b. stem cells c. erythropoietin (EPO) d. growth hormone (HGH) e. red blood cells

Biology & Microbiology