Question

Explain the three pathways of breakdown in living organisms.
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Answer 1

There may be many pathways of breakdown in living organisms.

But here are some.

Examples.

Metabolism pathways..

Which consists on two pathways..

1) Anabolic and

2) Carbolic.

Secondly pathways may be Aerobic an

Anaerobic.

1. Aerobic occurs in the presence of oxygen
2. Anaerobic occurs in the absence of oxygen.

Pathways breakdown may be

ATP synthesis or breakdown of ATP to give energy molecules.

Hope it helps you buddy!

Answer 2

Answer:

The three pathways of breakdown are

PYRUVATE

←←←←←←←↓→→→→→→

↓ ↓ ↓.

Absence

of

O2 Lack of Presence

O2 of O2

1) absence of Oxygen (in yeast) →ethanol + CO2 + energy- 2 carbon molecule

2)lack of Oxygen( in our muscle cells)→lactic acid + energy (3 carbon molecule)

3) presence of Oxygen (in mitochondria)→Co2 + H2O +energy