The sodium-potassium pump catalyzes
Up to 25% of a cell's ATP is used to run sodium-potassium pumps. Without the resulting sodium and potassium gradients, neurons and muscles cannot fire properly.
A. equilibrium.
B. facilitated diffusion.
C. osmosis.
D. active transport.
E. diffusion.
D. active transport.
You might also like to view...
Genomic technology allows researchers to use ____ to survey the genome to detect associations between common variations and a specific phenotype
a. pedigrees b. continuous traits c. chromosome number d. nucleotide variations e. RNA
Where would you expect to find tight junctions?
A) in the epithelium of an animal's stomach B) between the smooth endoplasmic reticulum and the rough endoplasmic reticulum C) between plant cells in a woody plant D) in the plasma membrane of prokaryotes
A substance that increases the concentration of H+ is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
As an undergraduate research assistant, your duties involve measuring water potential in experimental soil-plant-atmosphere systems
Assume you make a series of measurements in a system under normal daylight conditions, with stomata open and photosynthesis occurring. Which of the following correctly depicts the trend your measurement data should follow if the cohesion-tension mechanism is operating? A) ?soil < ?roots = ?leaves < ?atmosphere B) ?atmosphere < ?leaves = ?roots < ?soil C) ?soil < ?roots < ?leaves < ?atmosphere D) ?atmosphere < ?leaves < ?roots < ?soil