Interpretation:
The type of the reaction, name and the class of enzyme involved in each step of citric acid cycle should be identified.
Concept Introduction:
Citric Acid Cycle: It involves 8 series reaction which converts acetyl group present in acetyl coenzyme A into 2
Enzyme: The proteins that helps
The enzymes are classified as follows,
- Oxidoreductases
- Transferases
- Hydrolases
- Isomerases
- Lyases
- Ligases
Oxidoreductases are one of the main classifications of enzymes and it catalyzes the
Ligases are one of the main classifications of enzymes and it catalyzes the bonding of two substrate molecules and it can be divided into two subclasses which are Synthetases, and Carboxylases.
Isomerases are one of the main classifications of enzymes and it catalyzes the reaction in which the rearrangement of atoms in a substrate occurs.
Lyases are one of the main classifications of enzymes and it catalyze the addition or elimination of a functional group without hydrolysis from a substrate and it can be divided into subclasses which are Decarboxylases, Deaminases, Dehydratases and Hydratases.
Condensation Reaction: It involves combination of two small molecules to form larger molecule with elimination of small molecule.
Rearrangement Reaction: It involves change in the carbon chain of the molecule that results to give structural isomer.
Oxidative Decarboxylation: It involves removal of carboxylate group that results in release of carbon dioxide.
Phosphorylation: It involves transfer of phosphate group from inorganic/organic phosphate to another chemical compound.
Oxidation: The oxidation is reaction that involves addition of oxygen atom or loss of electrons or removal of hydrogen atom present in the chemical compound.
Hydration: The combination of substance with water is termed as hydration.
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Chapter 21 Solutions
Fundamentals Of General, Organic And Biological Chemistry In Si Units
- List four different products of citric acid cycle.arrow_forwardin steps 3 and 5 of the citric acid cycle, the compounds are shortended by one carbon each time. whst is the form of this one-carbon compound? what happens to it in the body?arrow_forwardWhy is it that the carboxylate "ions" actually partake in the citric acid cycle ratherthan the carboxylic acid? Explain using an examplearrow_forward
- . Write the reaction that links glycolysis and the citric acid cycle. What is the enzyme that catalyzes the reaction?arrow_forwardList four different products of citric acid cycle. Which of the three main stages of aerobic cellular respiration provides the biggest payoff of ATPs, and about how many ATPs from one glucose during this stage? In the absence of sugar, what else can cells use to produce ATP?arrow_forwardIdentify the primary catabolic purpose of the citric acid cyclearrow_forward
- Describe two important roles of the citric acid cycle.arrow_forwardAt the end of the citric acid cycle, but before the subsequent steps of cellular respiration, which molecules contain the energy held in the original glucose molecule?arrow_forwardDraw a simplified citric acid cycle and indicate the high-energy products.arrow_forward
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