Answer:
(d) None of the above
Explanation:
The pH of your stomach must be highly acidic, because the optimum pH for pepsin, the chief stomach enzyme, is 1.5.
(a) and (b) are wrong, because both conditions are basic.
(c) is wrong, because pH 7 is neutral.
Explanation:
1. cell membranes are partialy permeable, only allowing passage to some certain molecules.
2. diffusion is the movement of molecules across partially permeable membrane down concentration gradient.
3. the molecules are too big to pass through partially permeable membrane. the concentration of the molecule might be higher in the cell than in the solution/surroundings.
Well one way is how hurricane winds and such can blow birds off course. Another is how when trees fall down that forces animals to relocate.
Answer:
Start from the bottom and go up.
Well the womans egg cells get fertitlize d(a baby will form) from the sperm which came from the guy
lmaooooo I hate dis shiiiii
