A pre-event meal should
What will be an ideal response?
be low in fat and fiber, high in carbohydrate, and moderate in protein.
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Which of the following can serve as channels or pumps within the cell membrane?
a. integral proteins b. glycoproteins c. cholesterol d. phospholipids
Immunotherapy works on the basis of
A. helping the body to distinguish "self" cells from "nonself" cells and to destroy only the "self" cells. B. using small packets of radioactive materials that are injected into the bloodstream to remove cancerous cells in the bloodstream. C. using radiation to destroy the DNA of cancerous cells, preventing them from further cell division. D. using chemicals to target cancerous cells, preventing them from further cell division. E. helping the body to distinguish "self" cells from "non-self" cells and to destroy only the "nonself" cells.
Cells use exocytosis to
A) ingest nutrients. B) pump hydrogen molecules across the membrane. C) create new cells. D) release substances from the cell. E) move away from danger.
The class of antibody known as IgA is
A. Found in the mucous found in the respiratory, intestinal and genito-urinary tracts B. capable of crossing the placenta from mother to fetus C. It is formed of a single unit (monomer) of antibody molecule D. It works only against viruses infecting the upper respiratory tract