A protein functions as an acid-base buffer system by the –COOH group of a molecule
accepting H+ in the presence of excess acid and the NH3 group of a molecule releasing
H+ in the presence of excess base.
Indicate whether the statement is true or false
TRUE
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In the average adult, what are the primary routes of water and salt loss?
What will be an ideal response?
Why does urine have a yellow color?
A) urochrome B) glucose C) erythrocytes D) ketone bodies
Which of the following directly stems from the ascending aorta before it branches into the circumflex branch and anterior interventricular branch?
A. Great cardiac vein B. Right coronary vein C. Left coronary artery D. Right coronary artery E. Left coronary vein
The arrector pili muscle
A. causes hair to "stand on end." B. contracts when cold, forming goose bumps. C. is a smooth muscle. D. All apply.