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Cellular respiration is the set of the metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate, and then release waste products. The two types of electron carriers used in cellular respiration are FADH2 and NADH.
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What are two high energy electron carriers used in cellular respiration that are not used in photosynthesis?
Two high energy electron carriers used in cellular respiration that are not used in photosynthesis are NADH (Nicotinamide Adenine Dinucleotide) and FADH2 (Flavin Adenine Dinucleotide). These molecules play a crucial role in transferring electrons from the breakdown of glucose to the electron transport chain in cellular respiration, ultimately leading to the production of ATP. In photosynthesis, the electron carriers NADH and FADH2 are not involved as the process uses different electron carriers such as NADPH (Nicotinamide Adenine Dinucleotide Phosphate) and ATP.
What molecules serve as intermediate electron carriers in the process of cellular respiration?
NAD+ (nicotinamide adenine dinucleotide) and FAD (flavin adenine dinucleotide) serve as intermediate electron carriers in cellular respiration. They accept electrons from the breakdown of glucose and transfer them to the electron transport chain for the production of ATP.
Why does cellular respiration produce electron carriers instead of ATP?
Cellular respiration produces electron carriers like NADH and FADH2 because they can carry high-energy electrons to the electron transport chain, where they are used to generate ATP. These electron carriers help to establish an electrochemical gradient that drives ATP synthesis through oxidative phosphorylation. This process is more efficient at producing ATP compared to direct production of ATP during earlier stages of cellular respiration.
What is the purpose of electron carriers in cellular respiration?
The purpose of electron carriers such as NADH and FADH2 is to dump electrons at the electron transport chain. This creates a proton gradient and allows oxidative phosphorylation to take place.
Electrons are brought to the electron transport by what high energy electron carriers?
Electrons are brought to the electron transport chain by high-energy electron carriers such as NADH and FADH2. These carriers donate electrons to the chain, which is then used to generate ATP through oxidative phosphorylation.
What are two high energy electron carriers used in cellular respiration that are not used in photosynthesis?
Two high energy electron carriers used in cellular respiration that are not used in photosynthesis are NADH (Nicotinamide Adenine Dinucleotide) and FADH2 (Flavin Adenine Dinucleotide). These molecules play a crucial role in transferring electrons from the breakdown of glucose to the electron transport chain in cellular respiration, ultimately leading to the production of ATP. In photosynthesis, the electron carriers NADH and FADH2 are not involved as the process uses different electron carriers such as NADPH (Nicotinamide Adenine Dinucleotide Phosphate) and ATP.
What molecules serve as intermediate electron carriers in the process of cellular respiration?
NAD+ (nicotinamide adenine dinucleotide) and FAD (flavin adenine dinucleotide) serve as intermediate electron carriers in cellular respiration. They accept electrons from the breakdown of glucose and transfer them to the electron transport chain for the production of ATP.
What role do high energy electron carriers play in cellular respiration?
High energy electron carriers, such as NADH and FADH2, play a crucial role in cellular respiration by transferring electrons to the electron transport chain. This process generates ATP, the cell's main energy source, through a series of redox reactions.
Why does cellular respiration produce electron carriers instead of ATP?
Cellular respiration produces electron carriers like NADH and FADH2 because they can carry high-energy electrons to the electron transport chain, where they are used to generate ATP. These electron carriers help to establish an electrochemical gradient that drives ATP synthesis through oxidative phosphorylation. This process is more efficient at producing ATP compared to direct production of ATP during earlier stages of cellular respiration.
What is the major role of oxidative phosphorylation in cellular respiration?
To produce ATP from the high energy electron carriers NADH and FADH2.
What is the purpose of electron carriers in cellular respiration?
The purpose of electron carriers such as NADH and FADH2 is to dump electrons at the electron transport chain. This creates a proton gradient and allows oxidative phosphorylation to take place.
What are fadh2 and nadh classified as?
FADH2 and NADH are classified as electron carriers in cellular respiration. They play a key role in transferring electrons to the electron transport chain, where the energy from these electrons is used to generate ATP through oxidative phosphorylation.
Does cellular respiration use NADPH as its electron carrier?
No. Cellular respiration uses NADH as an electron carrier. NADPH is used in photosynthesis.
What is the purpose of the electrons in cellular respiration?
The purpose of electron carriers such as NADH and FADH2 is to dump electrons at the electron transport chain. This creates a proton gradient and allows oxidative phosphorylation to take place.
Identify three energy-releasing metabolic pathways for aerobic cellular respiration?
Three energy-releasing metabolic pathways for aerobic cellular respiration are glycolysis, the citric acid cycle (also known as the Krebs cycle), and the electron transport chain. Glycolysis breaks down glucose to produce pyruvate and a small amount of ATP. The citric acid cycle further breaks down pyruvate to produce more ATP and electron carriers. Finally, the electron transport chain uses these electron carriers to generate the majority of ATP through oxidative phosphorylation.
What is the role of molecules such as nadh nadh and fadh in metabolic?
NADH and FADH2 act as electron carriers in metabolic pathways, transferring electrons to the electron transport chain to generate ATP through oxidative phosphorylation. These molecules play a crucial role in the production of energy in the form of ATP during cellular respiration.
What is the terminal electron acceptor in aerobic cellular respiration?
NAD+ is the first electron acceptor in cellular respiration (O2 is the final acceptor).
