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Coenzymes are small, organic, non-protein molecules, such as vitamins, that carry chemical groups between enzymes. They are sometimes known as cosubstrates. Coenzymes are substrates for enzymes but are not considered part of an enzyme's structure. Cofactors are non-protein chemical compounds that are bound (either tightly, as in prosthetic groups; or loosely, as in coenzymes) to an enzyme and is required for catalysis. A cofactor can be a coenzyme or a prosthetic group.

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acetyl-CoA is the thioester bond between coenzyme A and acetic acid. coenzyme is a cofactor which is a non-protein chemical compound that is bound to a protein (usually an enzyme) and is required for the protein's biological activity.

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Co-enzymes are substances for enzymes but are not considered part of an enzyme's structure.

Co-factors are not protein chemical compounds that are bound.

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Q: What is the difference between acetyl CoA and coenzyme A?
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Location of Acetyl CoA in a cell?

Acetyl coenzyme A is in the mitochondria of the cell.


What is the enzyme involved in lactic acid fermentation?

Acetyl, Coenzyme A, (CoA) (:


How many acetyl CoA molecules may be obtained from oxidation of a 16-carbon fatty acid?

A fatty acid that contains 20 carbons will yield 10 molecules of acetyl-CoA. Acetyl-CoA is also referred to as acetyl coenzyme A.


When oxaloactic acid and Acetyl-CoA combine what product is created?

Citric acid and Coenzyme ASH (reduced CoA).


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

Location of Acetyl CoA in a cell?

Acetyl coenzyme A is in the mitochondria of the cell.


What compound enters the Krebs cycle and is made from the last compound?

Acetyl CoA is the compound that enters the Kreb's cycle.


Before Krebs cycle can proceed pyruvate must be converted into what?

Pyruvate is converted to acetyl-CoA before entering the Krebs cycle.


What is the enzyme involved in lactic acid fermentation?

Acetyl, Coenzyme A, (CoA) (:


What are two examples of coenzymes used in cellular respiration?

Acetyl-CoA: CoA=Co-enzyme A; Coenzyme I, coenzyme II, coenzyme A and B-12 and coenzyme Q.


Is acetyl coa an enzyme?

Not exactly. Acetyl CoA is a coenzyme and participates in the Kreb cycle. It is made from the mitochondria and not from ribosomes, nad usually is a vitamin or mineral.


How many acetyl CoA molecules may be obtained from oxidation of a 16-carbon fatty acid?

A fatty acid that contains 20 carbons will yield 10 molecules of acetyl-CoA. Acetyl-CoA is also referred to as acetyl coenzyme A.


When oxaloactic acid and Acetyl-CoA combine what product is created?

Citric acid and Coenzyme ASH (reduced CoA).


What does pyruvate change to in respiration?

It splits into a two-carbon acetyl group, which is added to Coenzyme A to make Acetyl-CoA, and a CO2.


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

Acetyl CoA


What molecule reacts with pyruvic acid to release CO2?

Pyruvic acid + CoA + NAD ⟶ Acetyl - COA + CO2 + NADH2


True or false The compound that joins with a 4-carbon molecule in the krebs cycle is called acetyl-CoA?

It is true that the compound that joins with a 4-carbon molecule in the krebs cycle is called acetyl-CoA. It is also known as Acetyl coenzyme A.