Table of Contents
- 1 What produces NADH FADH2 and ATP?
- 2 What is the name for the series of reactions that break down pyruvate to make ATP NADH and FADH2?
- 3 What produces pyruvate NADH and ATP molecules?
- 4 What enzyme produces FADH2?
- 5 Where does the breakdown of pyruvate takes place?
- 6 What is produced during pyruvate oxidation?
- 7 How many NADH and fadh2 are produced in glycolysis?
- 8 What new product is formed when carbon separated from pyruvic acid?
- 9 What is formed when coenzyme A reacts with pyruvic acid?
- 10 Why does NADH produce less ATP than NADH?
What produces NADH FADH2 and ATP?
The Krebs Cycle generates ATP and many energized electrons (in the form of FADH2 and NADH) for the electron transport chain.
What is the name for the series of reactions that break down pyruvate to make ATP NADH and FADH2?
the citric acid cycle
The eight steps of the citric acid cycle are a series of redox, dehydration, hydration, and decarboxylation reactions. Each turn of the cycle forms one GTP or ATP as well as three NADH molecules and one FADH2 molecule, which will be used in further steps of cellular respiration to produce ATP for the cell.
What stage produces FADH2 and NADH?
the Krebs cycle
FADH2 and NADH are created from FAD and NAD+ through reduction-oxidation reactions in the Krebs cycle during respiration as seen below: This cycle gives off small amounts of energy in the form of adenosine triphosphate, or ATP, and produces these compounds, FADH2 and NADH. The Krebs cycle is like a wheel.
What produces pyruvate NADH and ATP molecules?
Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate, which itself enters the citric acid cycle to produce more energy.
What enzyme produces FADH2?
succinate dehydrogenase
In step six, an enzyme called succinate dehydrogenase converts succinate into fumarate. This step makes one FADH2.
Where is the 2 FADH2 produced?
citric acid cycle
The Electron Transport Chain The ten NADH that enter the electron transport originate from each of the earlier processes of respiration: two from glycolysis, two from the transformation of pyruvate into acetyl-CoA, and six from the citric acid cycle. The two FADH2 originate in the citric acid cycle.
Where does the breakdown of pyruvate takes place?
mitochondria
Breakdown of Pyruvate takes place aerobically in the mitochondria and anaerobically in the cytoplasm.
What is produced during pyruvate oxidation?
Overall, pyruvate oxidation converts pyruvate—a three-carbon molecule—into acetyl CoAstart text, C, o, A, end text—a two-carbon molecule attached to Coenzyme A—producing an NADHstart text, N, A, D, H, end text and releasing one carbon dioxide molecule in the process.
How do NADH and FADH2 contribute to the production of ATP in the final stage of cellular respiration?
Cellular respiration uses energy in glucose to make ATP. During the Krebs cycle, pyruvate undergoes a series of reactions to produce two more molecules of ATP and also several molecules of NADH and FADH2. During electron transport, energy from NADH and FADH2 is used to make many more molecules of ATP.
How many NADH and fadh2 are produced in glycolysis?
For each glucose that enters glycolysis, products of the citric acid cycle are 2 ATP, 6 NADH, and 2 FADH2.
What new product is formed when carbon separated from pyruvic acid?
The product of this reaction is acetyl-CoA. These molecules enter the matrix of a mitochondrion, where they start the Citric Acid Cycle. The third carbon from pyruvate combines with oxygen to form carbon dioxide, which is released as a waste product. High-energy electrons are also released and captured in NADH.
How many ATP are produced from NADH and FADH2?
For every pair of electrons transported to the electron transport chain by a molecule of NADH, between 2 and 3 ATP are generated. For each pair of electrons transferred by FADH2, between 1 and 2 ATP are generated.
What is formed when coenzyme A reacts with pyruvic acid?
The folded inner membranes inside a mitochondrion are called COENZYME A This molecule reacts with pyruvic acid to release C02, produce NADH, and acetyl-CoA. ACETYL COA . __ __ __ __ __ __ __ __ __ forms when Coenzyme A attaches to two carbons from pyruvic acid. MATRIX
Why does NADH produce less ATP than NADH?
This high energy electron carrier produces fewer ATP’s than NADH as its electrons pass through the Electron Transport Chain because it enters farther down the chain
What causes ATP synthase to spin and make ATP?
The movement of which ion across the membrane from the intermembrane space to the matrix causes ATP synthase to spin and make ATP Electron transport Which stage of cellular respiration produces the most ATP?