Some species in the weasel family, such as skunks, protect themselves by spraying a foul-smelling musk oil when threatened. why would a spray defense be a useful mechanism for a species?

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 is one function of the embedded proteins

Which of these parts of the membrane large moecules pass through it ?