Heterotrophs are a type of consumer, where they eat other organisms.
They obtain organic food molecules by eating other organisms.
When your ears 'pop' normally you hear louder and it feels like they are blocked!
This normally happens in the plane. Sometimes it even hurts!
:D
This potential is then used to drive ATP synthase and produce ATP from ADP and a phosphate group. Biology textbooks often state that 38 ATP molecules can be made per oxidised glucose molecule during cellular respiration (2 from glycolysis, 2 from the Krebs cycle, and about 34 from the electron transport system).
D, since it is semi-permeable then it will be able to control what enters and leaves.The cell membrane is a bi-layer its outer surface is hydrophilic and inner surface is hydrophbic so the substances that pass through it have to be sufficiently hydrophobic and hydrophilic in order to pass it and it also has small openings in it which allows the free exchange
