write the differences between the respiration occurred when oxygen available note available
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Answer:
Aerobic respiration can only occur in the presence of oxygen. During aerobic respiration, the reactants oxygen and glucose are turned into the products carbon dioxide, water, and ATP.
These products are created during aerobic respiration over the course of three steps: glycolysis, the citric acid cycle, and oxidative phosphorylation. During glycolysis, glucose molecules are broken down into two smaller pyruvate molecules. In the citric acid cycle, electrons are released and gathered by acceptor molecules. During oxidative phosphorylation, the electrons help make a concentration gradient with hydrogen ions that assist a molecule called ATP synthase in building ATP.
Most eukaryotic organisms use aerobic respiration. Eukaryotic organisms are ones whose cells contain a nucleus and other membrane-bound organelles. Virtually all plants and animals use aerobic respiration, and some bacteria do as well.
Anaerobic Respiration
Anaerobic respiration occurs when oxygen is not present. It consists of two steps. The first step, like aerobic respiration, is glycolysis, that produces ATP from the reactant glucose. The second step, fermentation, creates lactic acid or ethanol, depending on the type of fermentation. Lactic acid is produced as a result of lactic acid fermentation, while ethanol is produced as a result of alcohol fermentation. That's why we use yeast in the production of beer to create ethanol, which is what makes people drunk!
The second step in aerobic respiration, where electrons are released and gathered by acceptor molecules.
Organisms that possess a clearly defined nucleus enclosed within membranes.
An oxygen-less respiration wherein a chemical reaction transfers energy from reactant glucose to the cell.
These are organisms whose cells do not contain a distinct nucleus, such as bacteria.
A process by which glucose and other compounds are converted into cellular energy and lactic acid.
It is a principal source of energy for cellular respiration.
This gives the muscle a burning sensation when undergoing anaerobic respiration.
The type of cellular respiration that occurs in the presence of oxygen to produce energy from food.
It is the process of extracting energy in the form of adenosine triphosphate through breaking down of glucose from food.
A gas which assists in cellular respiration by reacting with glucose to produce a usable form of energy.
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