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Which of the following cellular organelles is the site of aerobic metabolism?

Which of the following is the site of aerobic metabolism?

Anaerobic metabolism uses glucose as its only source of fuel and produces pyruvate and lactic acid . Pyruvate can then be used as fuel for aerobic metabolism. Aerobic metabolism takes place in the mitochondria of the cell and is able to use carbohydrates, protein or fat as its fuel source.

What is the site of anaerobic metabolism?

When your muscles use anaerobic metabolism , lactic acid is produced in your muscle cells. With moderate-intensity exercise, it is able to diffuse out of the cells, but with vigorous muscle contractions it builds up. Lactic acid is further processed by the liver into glucose to use for fuel, completing the cycle.

Which of the following pathways generates the majority of ATP produced in the body?

Cellular Respiration: Glycolysis is the first pathway of cellular respiration that oxidizes glucose molecules. It is followed by the Krebs cycle and oxidative phosphorylation to produce ATP.

Which of the following compounds does acetyl CoA combine with to begin the TCA cycle?

Simplified diagram of the citric acid cycle . First, acetyl CoA combines with oxaloacetate, a four-carbon molecule, losing the CoA group and forming the six-carbon molecule citrate.

What are the four parts of aerobic metabolism?

In terms of enzymes, aerobic metabolism includes pyruvate dehydrogenase, the enzymes of lipolysis, fatty acid degradation, the citric acid cycle, and the electron transport chain and the ATP synthase.

What is the intracellular site of aerobic metabolism?

Under aerobic conditions, this process usually occurs in the mitochondria (see equation 1) and generates ATP; however, in the absence of mitochondrial metabolism , oxidation of NADH to NAD must be coupled to the reduction of pyruvate to lactate.

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What are the 3 phases of anaerobic metabolism?

Making ATP Without Oxygen This process occurs in three stages : glycolysis , the Krebs cycle, and electron transport. The latter two stages require oxygen, making cellular respiration anaerobic process.

Is glycolysis aerobic or anaerobic?

Glycolysis, as we have just described it, is an anaerobic process. None of its nine steps involve the use of oxygen. However, immediately upon finishing glycolysis, the cell must continue respiration in either an aerobic or anaerobic direction; this choice is made based on the circumstances of the particular cell.

What is the correct definition of metabolism?

Metabolism : The whole range of biochemical processes that occur within a living organism. Metabolism consists of anabolism (the buildup of substances) and catabolism (the breakdown of substances). The term metabolism is commonly used to refer specifically to the breakdown of food and its transformation into energy.

What is the primary source of ATP during aerobic activities?

Although the primary source of ATP in aerobic metabolism is carbohydrates , fatty acids and protein can also be used as fuel to generate ATP.

Which process produces the greatest quantity of ATP?

It is aerobic respiration that produces energy ( ATP ) needed for metabolism. Aerobic respiration produces a high amount of ATP per glucose molecule –up to 36 ATP !

What are the three metabolic pathways?

There are three metabolic pathways that provide our muscles with energy : the phosphagen pathway, the glycolytic pathway, and the oxidative pathway.

Which molecule enters into the TCA cycle for aerobic metabolism?

The citric acid cycle is the final common pathway for the oxidation of fuel molecules—amino acids, fatty acids, and carbohydrates. Most fuel molecules enter the cycle as acetyl coenzyme A . Under aerobic conditions, the pyruvate generated from glucose is oxidatively decarboxylated to form acetyl CoA .

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What is the end product of cellular metabolism?

Glucose and oxygen are the reactants and the end products are carbon dioxide and water with the liberation of energy in form of ATP .

Which component of an amino acid confers its unique qualities?

In addition to the amino and carboxyl groups, amino acids have a side chain or R group attached to the α-carbon. Each amino acid has unique characteristics arising from the size, shape, solubility, and ionization properties of its R group.

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