1. What 3 things does a cell membrane do?
a.
b.
c.

look below

Explanation:

1) keep toxic substances out of the cell

2) allows certain minerals in that are needed and keeps others out and uses reciptors to do so

3) they separate vital but incompatible metabolic processes conducted within organelles

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.