Proteins of the plasma membrane carry out all of the following functions except
A) binding to DNA to turn on genes.
B) sending and receiving signals to and from other cells.
C) transporting substances across the membrane.
D) anchoring the cell to external structures.
E) catalyzing chemical reactions at the inner or outer surface of the membrane.
A
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A hypertonic solution has a higher concentration of solutes and a lower concentration of H2O than an isotonic solution
Indicate whether the statement is true or false
What leads to metabolic alkalosis?
A) prolonged vomiting and the loss of acidic stomach contents B) prolonged diarrhea in which bicarbonate ions are lost in the feces C) diabetic ketoacidosis in which excess acids are produced D) visiting a high altitude location
________ are turned on or off by regulatory proteins in accordance with changing needs for the ________ they encode
A) Enzymes; products B) Genes; ribosomes C) Genes; proteins D) Ribosomes; proteins E) Proteins; genes
Which federal agency is responsible for overseeing the manufacture and distribution of drugs used in animals?
a. Food and Drug Administration (FDA) b. Animal Welfare Administration (AWA) c. Drug Enforcement Agency (DEA) d. Occupational Safety and Health Administration (OSHA)