Question

aerobic respiration

1) 3 pathways of aerobic respiration

2) where is each step located ?

3) how do they differ in terms of atp production ?

4) describe the defning characteristics of atp structure that makes it an ideal molecule to use for energy coupling

Answer 1

QUESTION-1

ANSWER

Three pathways of aerobic respiration are-

• Glycolysis
• Kreb's cycle
• Oxidative phosphorylation

QUESTION-2

ANSWER

Glycolysis takes place in the cytoplasm of the cell.

Kreb's cycle takes place in mitochondrial matrix of the cell.

Oxidative phosphorylation takes place in inner mitochondrial membrane.

QUESTION-3

ANSWER

In terms of ATP production, during oxidative phosphorylation maximum energy molecules are produced.

During glycolysis only 2 net ATP molecules are produced during each cycle.

During Tricarboxylic Acid Cycle or TCA cycle, one molecule of ATP is produced per cycle.

During oxidative phosphorylation, 28 ATPs are produced.

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