I think it is the 3rd one because health problems at older age.
Answer:
Mutualism
Explanation:
both humans and plants benefit from it because we breath out carbon dioxide
Your answer would be C.It encloses the cytoplasm.
Answer: Pyruvate is reduced and NADH is oxidized.
Explanation:
Fermentation is a chemical process that involves the breakdown of carbohydrates anaerobically by the activities of microorganisms.
It is the process use in the production of foodstuffs, wine and beer. Fermentation start with enzymes activities, which breakdown sugars into lactate or two molecules of three carbon organic acid, pyruvic acid. Pyruvate is reduced to lactic acid or alcohol in the absence of oxygen and nicotinamide adenine dinuleotide+hydrogen(NADH) is oxidized . This process produces two ATP per glucose molecule.
The first one is to absorb calcium.
second question: I THINK poor wound healing