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Difference between aerobic respiration and anaerobic respiration....

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Answer 1

Answer:

1.Aerobic respiration is a set of metabolic reactions that take place in the presence of oxygen, occurring in a cell to convert chemical energy into ATPs.

2.Aerobic respiration takes place in all plants, animals, birds, and humans, except for some primitive prokaryotes.

In aerobic respiration, oxygen acts as an electron acceptor which helps produce ATPs more effectively and more quickly.

3.The double bond in the oxygen has higher energy than other bonds which aids to produce more ATPs.

It is the preferred method of degradation of pyruvate after glycolysis where the pyruvate then enters the mitochondria to be fully oxidized during the Kreb’s cycle.

4.The process of aerobic respiration is utilized for the oxidation of carbohydrates, but products from fats and proteins are also used as reactants.

5.Carbon dioxide gas and water are the two products of aerobic respiration along with the energy that is used to add a third phosphate group to ADP and form ATP.

Other energy-rich molecules like NADH and FADH2 are converted into ATP via electron transport chain with oxygen and protons.

6.During aerobic respiration, most ATPs are produced during oxidative phosphorylation where the energy of oxygen molecule is used to pump protons out of the membrane.

7.The passage of protons creates a potential that is then used to initiate ATP synthase and produce ATP from ADP and a phosphate group.

8., a total of 38 ATPs are produced at the end of the aerobic respiration. However, some energy is lost due to leaking of the membrane or the cost of moving pyruvate through the cell, as a result of which about 29-30 ATPs are only produced.

9.Aerobic respiration results in complete oxidation of carbohydrate molecules which take place in the mitochondria of eukaryotic cells as the enzymes for the process are present there.

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Answer 2

☞ Difference Between Aerobic and Anaerobic Respiration

• The primary difference between aerobic and anaerobic respiration is the presence or absence of oxygen during the processes.

More detailed differences are between the two are as follows :-

✒ Aerobic Respiration

• Oxygen is present when this form of respiration takes place.
• Gases are exchanged in this form of respiration.
• It can be found in the cytoplasm and the mitochondria.
• Glucose breaks down into carbon dioxide and water.
• All higher organisms such as mammals have this type of respiration.

✒ Anaerobic Respiration

• Oxygen is absent when this form of respiration takes place.
• Gases are not exchanged in this form of respiration.
• It can be found only in the cytoplasm.
• Glucose breaks down into ethyl alcohol, carbon dioxide and energy.
• Lower organisms such as bacteria and yeast use this type. In other organisms, it occurs during heavy activities.

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-: Additional Information :-

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✏ What is Aerobic Respiration?

• As already stated, cellular respiration can be of two types: aerobic and anaerobic.
• Aerobic means “with air”.
• Therefore, aerobic respiration is the process of cellular respiration that uses oxygen to produce energy from food.
• This type of respiration is common in most of the plants and animals, including humans, birds and other mammals.

• The process can be simply explained with the help of the following equation :-

Glucose + Oxygen → Carbon dioxide + Water + Energy

✏ What is Anaerobic Respiration?

• Anaerobic means “without air”.
• Therefore, this type of cellular respiration does not use oxygen to produce energy.
• Sometimes there is not enough oxygen around for some organisms to respire, but they still need the energy to survive.
• Due to lack of oxygen, they carry out respiration in the absence of oxygen to produce the energy they require, which is referred to as anaerobic respiration.

• The process can be simply explained with the help of the following equation :-

Glucose → Alcohol + Carbon dioxide + Energy

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