Answer: Cristae is the inner membrane folds of a mitochondrion
2. diffusion is the movement of a higher concentration to a lower concentration without input of energy
3. semipermeable is the membrane that lets in some molecules , but not others
4. carbon fixation is the incorporation of the carbon in carbon iv oxide into organic compounds of the Calvin cycle
5. fermentation is the breakdown of glucose in the absense of oxygen usin glycolysis
