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Nicotinamide adenine dinucleotide (NAD+) serves as a coenzyme in the Krebs cycle. It is derived from niacin (vitamin B3) and plays a crucial role in the oxidation-reduction reactions that occur during the cycle, facilitating the transfer of electrons. NAD+ is reduced to NADH, which subsequently carries electrons to the electron transport chain for ATP production.

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What is the coenzyme that attaches to a 2-carbon acetate molecule during the preparatory reaction for the citric acid cycle?

The coenzyme that attaches to a 2-carbon acetate molecule during the preparatory reaction for the citric acid cycle is coenzyme A (CoA). This reaction forms acetyl-CoA, which serves as the key substrate for the citric acid cycle, linking glycolysis and the citric acid cycle. Acetyl-CoA is essential for the metabolism of carbohydrates, fats, and proteins.


What is a coenzyme carrier associated with Krebs cycle only?

A key coenzyme carrier associated specifically with the Krebs cycle (citric acid cycle) is NAD+ (nicotinamide adenine dinucleotide). During the cycle, NAD+ is reduced to NADH as it accepts electrons, facilitating the transfer of energy derived from the oxidation of substrates. This process is crucial for the subsequent production of ATP during oxidative phosphorylation. Another important coenzyme in the cycle is FAD (flavin adenine dinucleotide), which also serves a similar role in electron transport and energy transfer.


What is the coenzyme that transports organic molecules into the citric acid cycle?

The coenzyme that transports organic molecules into the citric acid cycle is coenzyme A (CoA). It acts by forming a thioester bond with acetyl groups derived from organic molecules, allowing them to enter the cycle for energy production.


Does pyruvic acid enters the krebs cycle?

Pyruvic acid cycle does enter the Krebs cycle and is turned into acetyl coenzyme A.


What is acethyl CoA?

What is Coenzyme A?Photosynthetic plants convert light energy into chemical energy. Using their photosynthetic products (ATP, NAD(P)H, and carbon skeleton), plants have unique ability to assimilate soil and atmospheric elements into compounds usable by human and animals. Photosynthesis provides carbon precursors and cofactors for many of the essential plant biosynthetic pathways, of which coenzyme A (CoA) is one of their products.Function of Coenzyme A in PlantsCoenzyme A is a cofactor for 4% of the enzymes in plants. Coenzyme-a is converted into acyl-coenzyme-A (CoA), mainly acetyl-coenzyme-A (CoA), upon reaction with carbohydrate catabolites. Acetyl-coenzyme-A (CoA) is a key substrate in important metabolisms such as citric acid cycle (TCA cycle), fatty acid, some amino acids, flavonoid, wax, isoprenoid, lignin synthesis and storage lipid degradation. These biochemical pathways generate intermediate metabolites that play a role in the adaptation of the plant to changing environmental conditions, defense against pests, nutritional value, pigment and structural component synthesis. Acetyl-coenzyme-a (CoA) also mediates synthesis of secondary metabolites (natural products) of pharmaceutical and industrial significance.

Related Questions

What nucleotide derivative is a co enzyme in the kerbs cycle?

Nicotinamide adenine dinucleotide


What is the coenzyme that transports organic molecules into the citric acid cycle?

The coenzyme that transports organic molecules into the citric acid cycle is coenzyme A (CoA). It acts by forming a thioester bond with acetyl groups derived from organic molecules, allowing them to enter the cycle for energy production.


Does pyruvic acid enters the krebs cycle?

Pyruvic acid cycle does enter the Krebs cycle and is turned into acetyl coenzyme A.


What molecule is an coenzyme electron carrier that's associated with Krebs cycle only?

The molecule you are referring to is NAD+ (nicotinamide adenine dinucleotide). It acts as a coenzyme electron carrier in the Krebs cycle by accepting and donating electrons during the oxidation-reduction reactions that occur in the cycle.


What is the molecule Acetyl coenzyme A a part of?

Acetyl coenzyme A is a central molecule in metabolism as it is involved in both catabolic and anabolic pathways. It is a crucial intermediate in the citric acid cycle for generating energy from carbohydrates, fats, and proteins. Additionally, acetyl coenzyme A is a building block for the synthesis of fatty acids and cholesterol.


What escorts acetic acid produced from pyruvic acid into the first reaction of the citric acid cycle?

Coenzyme A (CoA) escorts acetic acid produced from pyruvic acid into the first reaction of the citric acid cycle by forming acetyl-CoA. Acetyl-CoA is then used as a substrate in the first step of the citric acid cycle to produce citrate.


What is produced in one turn of the Kreb cycle?

Adenosine-5'-triphosphate (ATP) is a multifunctional nucleotide used in cells as a coenzyme. It is often called the "molecular unit of currency" of intracellular energy transfer.[1] ATP transports chemical energy within cells for metabolism.


What is the coenzyme in the of photosynthesis?

The coenzyme in photosynthesis is NADP+ (nicotinamide adenine dinucleotide phosphate), which functions as an electron carrier during the light-dependent reactions. It accepts electrons from photosystem I and is reduced to NADPH, which carries the high-energy electrons to the Calvin cycle for carbon fixation.


What substances are formed during Krebs cycle?

The Krebs cycle primarily generates ATP, carbon dioxide, and reduced electron carriers NADH and FADH2. These molecules are essential for energy production in the mitochondria.


What forms when Coenzyme A attaches to two carbons from pyruvic acid acid?

Acetyl-CoA forms when Coenzyme A attaches to two carbons from pyruvic acid. This is a crucial step in the process of cellular respiration, as acetyl-CoA enters the citric acid cycle to generate energy for the cell.


What is acethyl CoA?

What is Coenzyme A?Photosynthetic plants convert light energy into chemical energy. Using their photosynthetic products (ATP, NAD(P)H, and carbon skeleton), plants have unique ability to assimilate soil and atmospheric elements into compounds usable by human and animals. Photosynthesis provides carbon precursors and cofactors for many of the essential plant biosynthetic pathways, of which coenzyme A (CoA) is one of their products.Function of Coenzyme A in PlantsCoenzyme A is a cofactor for 4% of the enzymes in plants. Coenzyme-a is converted into acyl-coenzyme-A (CoA), mainly acetyl-coenzyme-A (CoA), upon reaction with carbohydrate catabolites. Acetyl-coenzyme-A (CoA) is a key substrate in important metabolisms such as citric acid cycle (TCA cycle), fatty acid, some amino acids, flavonoid, wax, isoprenoid, lignin synthesis and storage lipid degradation. These biochemical pathways generate intermediate metabolites that play a role in the adaptation of the plant to changing environmental conditions, defense against pests, nutritional value, pigment and structural component synthesis. Acetyl-coenzyme-a (CoA) also mediates synthesis of secondary metabolites (natural products) of pharmaceutical and industrial significance.


Acetyl coenzyme A a. is formed for the breakdown of pyruvin acid. b. enters the Krebs cycle. c. can be used in synthesis of needed molecules. d. all of the above?

d.all of the above