Which part of the amino acid helps to determine its chemical properties?
a. the amino group
b. the carboxyl group
c. the covalent bonds
d. the peptide bond
e. the R group
E
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Which of the following is not true of whooping cough?
A. Secondary infections can occur during the convalescent phase. B. It is caused by a small, aerobic, gram-negative rod. C. Incubation period is 3-21 days. D. An uncontrollable cough occurs during the paroxysmal stage. E. Cold-like symptoms are common for the paroxysmal stage.
Excess energy is stored in ___ mainly in ___
a. chemical bonds---adipose tissue b. chemical bonds---carbohydrates c. carbon atoms---adipose tissue d. carbon atoms---carbohydrates e. hydrogen bonds---water
The difference between normal and sickle-cell hemoglobin is _____
a. the number of amino acids in the molecule b. the substitution of one amino acid for another c. the number and orientation of the amino acid chains attached to the heme portion of the molecule d. the number of oxygen molecules that can be carried e. the types of blood cells that produce each protein
The ATPase enzyme ________.
adds a Pi to ADP powers endocytosis couples Na+ to glucose hydrolyzes ATP into ADP and Pi