What controls circadian rhythms in humans? Explain how this process works.

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

What are charcteristics of lithosphere?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.