Cell membranes are semipermeable, which means that _____ can passively move across the membrane
a. sodium ions
b. water
c. potassium ions
d. phosphorous ions
b
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Which of the following foods contains all of the essential amino acids in relatively the same amounts that the human body requires?
a. Turkey b. Quinoa c. Broccoli d. Gelatin e. Pumpkin seeds
Which of the following is a fat replacer?
A) saccharin B) olestra C) trans fat D) phosphate
Red wine is thought to reduce the risk of heart disease for all of the following reasons EXCEPT:
1.the pigments act as antioxidants. 2.it may decrease the tendency of blood to clot. 3.it may decrease the tendency of LDL cholesterol to stick to plaque. 4.it lowers blood pressure.
When a physician inoculates a patient with measles, mumps, and rubella, he is activating which kind of immunity?
a. active natural immunity b. active artificial immunity c. natural passive immunity d. passive artificial immunity