Water vapor in the air contains heat from waters of the ocean. This heat gets transferred as part of the water cycle.
The sodium concentration is higher outside the cell than
inside the cell and the potassium concentration is higher inside the cell than
outside the cell.
Because the sodium-potassium exchange pump moves sodium and
potassium ions in opposite directions, the pump generates concentration
gradients for these ions that are opposite in direction.
Answer:
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There are two groups of bases: Pyrimidines: Cytosine and Thymine each have a single six-member ring.