Complete the table of the stages for aerobic cellular respiration.

Biology

1 answer:

stellarik [79]3 years ago

7 0

Explanation:

Stages:

1. Glycolysis:

anaerobic
occurs in the cytoplasm
input- 2 ATP, glucose NAD
output- 2 pyruvate NADH

2. TCA:

aerobic
occurs in the mitochondrial matrix
input- oxygen, pyruvate (decarboxylated to acetyl coA), 1 ADP+ P, 8 NAD, 2 FAD
output- 8 NADH and 2 FADH2, 2 ATP

3. ETC:

aerobic
occurs in the inner mitochondrial membrane
input: 8 NADH and 2 FADH2, 34 ADP+ P
output: 8 NAD and 2 FAD 34 ATP

Cellular respiration begins in the cytoplasm, where glucose is broken down for energy production. In the presence of an oxygen rich environment, eukaryotes may carry out aerobic respiration.

overall, in aerobic respiration: C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≈38 ATP

Further Explanation:

In all eukaryotic cells mitochondria are small cellular organelles bound by membranes, these make most of the chemical energy required for powering the biochemical reactions within the cell. This chemical energy is stored within the molecule ATP which is produced. Respiration in the mitochondria utilizes oxygen for the production of ATP in the Krebs’ or Citric acid cycle via the oxidization of pyruvate( through the process of glycolysis in the cytoplasm).

Oxidative phosphorylation describes a process in which the NADH and FADH2 made in previous steps of respiration process give up electrons in the electron transport chain these are converted it to their previous forms, NADH+ and FAD. Electrons continue to move down the chain the energy they release is used in pumping protons out of the matrix of the mitochondria.

This forms a gradient where there is a differential in the number of protons on either side of the membrane the protons flow or re-enter the matrix through the enzyme ATP synthase, which makes the energy storage molecules of ATP from the reduction of ADP. At the end of the electron transport, three molecules of oxygen accept electrons and protons to form molecules of water...

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