The sodium-potassium pump functions to pump:
What will be an ideal response?
sodium out of a cell and potassium ions into the cell
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In multiple sclerosis the myelin sheaths around the axons of the brain and spinal cord are damaged and demyelination results. How does this disease manifest at the level of the action potential?
I) Action potentials move in the opposite direction on the axon. II) Action potentials move more slowly along the axon. III) No action potentials are transmitted. A) only I B) only II C) only III D) only II and III E) only I and II
In the international division of labor, one reason for China's role as a major producer of everything from shoes to toys is the endless supply of people who will work for ________ an hour
A) nothing B) 6 cents C) 60 cents D) 6 dollars E) 60 dollars
Ruminants have ____ chamber(s) in their stomachs
a. one b. two c. three d. four e. five
During which stage do two tRNAs properly align their two amino acids so that they may be chemically attached to one another?
A. translation B. transcription C. replication D. mutation