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In Ornithine cycle, which of the following wastes are removed from the blood? [2005]

  • a)
    CO2 and urea

  • b)
    Ammonia and urea

  • c)
    CO2 and ammonia

  • d)
    Urea and urine

Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In Ornithine cycle, which of the following wastes are removed from the...
Urea NH2 – CO – NH2 is formed from two molecules of ammonia and one molecule of carbon dioxide. A molecule of ammonia combines with carbondioxide to form carbonyl phosphate. It reacts with ornithine to form citrulline. Citrulline accepts another molecule of NH4+ giving rise to arginine. Arginine is hydrolysed into urea and ornithine with the help of enzyme arginase.
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In Ornithine cycle, which of the following wastes are removed from the...
Ornithine cycle is also known as the urea cycle which is a metabolic pathway that takes place in the liver and removes excess nitrogen from the body. It involves a series of enzymatic reactions that convert toxic ammonia into urea, which is excreted out of the body through urine.

In the Ornithine cycle, the following wastes are removed from the blood:

• Ammonia: It is a toxic waste product that is produced when amino acids are broken down for energy. Ammonia is highly soluble in water and can easily diffuse across cell membranes, causing damage to tissues and organs.

• Carbon dioxide: It is a byproduct of cellular respiration that is produced when glucose is broken down in the presence of oxygen. Carbon dioxide is transported through the bloodstream to the lungs where it is exhaled out of the body.

Therefore, option C is the correct answer as CO2 and ammonia are the wastes removed from the blood in the Ornithine cycle.
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In Ornithine cycle, which of the following wastes are removed from the...
Two waste products removed from the blood in the liver by Ornithine cycle are Ammonia (NH3​) and Carbon dioxide (CO2​). The liver contains molecules and enzymes which act on the carbon dioxide and ammonia and changes them to urea, being known as the urea cycle.
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In Ornithine cycle, which of the following wastes are removed from the blood? [2005]a)CO2 and ureab)Ammonia and ureac)CO2 and ammoniad)Urea and urineCorrect answer is option 'C'. Can you explain this answer?
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