The last one , sorry if i’m wrong
Your answer will be B from amount of substance
Respiration is the transformation of glucose to ATP, which is energy that the body can use.
Respiration consists of several steps: glycolysis, TCA/Krebs/Citric acid sycle and at last the oxidative phosphorylation.
The molecules needed for this to happen is water, oxygen (O2), NADH, ATP and glucose.
Description 2 describes a commensal symbiosis. The answer is D, commensalism.
Cells that protect the body by engulfing foreign cells or producing antibodies are D. White blood cells.
