In polypeptides, what type of bond holds amino acids together?
a. hemoglobin
b. protein bonds
c. peptide bonds
d. hydrogen bonds
e. enzymes
c
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Gas exchange between air and circulating blood takes place within ________.
A) The terminal bronchioles. B) The bronchi. C) The trachea. D) The alveoli. E) All of the answers are correct
The liver absorbs bilirubin and eliminates it as part of bile
Indicate whether this statement is true or false.
Which of these is a structural modification unique to the small intestine?
(a) plicae circulares (b) villi (c) microvilli (d) all of these are unique to the small intestine (e) none of these are unique to the small intestine
When does hyperpolarization occur?
A) immediately following threshold B) just prior to depolarization C) at the same time as a membrane repolarizes D) immediately following the action potential