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During glycolysis, energy-carrying electrons are transferred from glucose to electron carrier molecules, primarily NAD+ (nicotinamide adenine dinucleotide), which is reduced to NADH. This process occurs as glucose is broken down into pyruvate, generating a small amount of ATP in the process. The NADH produced can later be used in the electron transport chain to generate additional ATP under aerobic conditions. Thus, glycolysis not only facilitates energy release but also sets the stage for further energy extraction in cellular respiration.
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What energy carrying molecule are created during glycolysis?
Nadh and ATP
What happens to electrons released in glycolysis?
During glycolysis, glucose is broken down into pyruvate, resulting in the production of ATP and NADH. The electrons released during this process are transferred to NAD+, reducing it to NADH. This NADH then carries the electrons to the electron transport chain in aerobic respiration, where they are ultimately used to produce more ATP through oxidative phosphorylation. In anaerobic conditions, NADH can be converted back to NAD+ through fermentation, allowing glycolysis to continue.
Why does nad become nadh plus h instead of just nadh during glycolysis?
During glycolysis, NAD+ acts as an electron carrier molecule. It accepts two electrons and a proton to form NADH. This is important for the oxidation-reduction reactions that occur during glycolysis, allowing for the transfer of electrons and the generation of ATP.
What stage of cellular respiration is gluclose broken down into two molecules of pyruvic acid?
Glycolysis is the stage of cellular respiration where glucose is broken down into two molecules of pyruvic acid. It takes place in the cytoplasm of the cell and does not require oxygen.
What is the importance of emission of electrons from chlorophyll during photosynthesis in plants?
they are carrying energy. that is why itis important.
What energy-carrying molecule are created during glycolysis?
Nadh and ATP
What energy carrying molecule are created during glycolysis?
Nadh and ATP
What molecule is regenerated for glycolysis during fermentation?
NAD+ is the molecule that is regenerated for glycolysis during fermentation. NAD+ is essential for glycolysis to continue in the absence of oxygen by accepting electrons from glucose breakdown.
What is the carrier for energy and high energy electrons during glycolysis?
nadh!
How is glucose changed during glycolysis what products are produced as a result of glycolysis?
Glycolysis is the process during which glucose is broken in half, and produces pyruvic acid (3-carbon compound)
Describe what happens where during the first step of glycolysis?
during the first step of glycolysis C6 is phosphorylated, turning it into a phosphate ester which is a low energy compound.
Why does nad become nadh plus h instead of just nadh during glycolysis?
During glycolysis, NAD+ acts as an electron carrier molecule. It accepts two electrons and a proton to form NADH. This is important for the oxidation-reduction reactions that occur during glycolysis, allowing for the transfer of electrons and the generation of ATP.
Which molecule are high-energy electrons from glycolysis and the Krebs cycle ultimately transferred to?
High-energy electrons from glycolysis and the Krebs cycle are ultimately transferred to oxygen molecules during oxidative phosphorylation in the electron transport chain to produce ATP.
What statement described What happens with ATP during glycolysis?
More ATP is produced than is used.
Which is capable of being reduced during either glycolysis or the Krebs cycle?
NAD+ (nicotinamide adenine dinucleotide) is capable of being reduced during either glycolysis or the Krebs cycle. It accepts electrons and a hydrogen ion to form NADH, which carries these high-energy electrons to the electron transport chain for ATP production.
What stage of cellular respiration is gluclose broken down into two molecules of pyruvic acid?
Glycolysis is the stage of cellular respiration where glucose is broken down into two molecules of pyruvic acid. It takes place in the cytoplasm of the cell and does not require oxygen.
Is NAD oxidized or reduced during glycolysis?
NAD is reduced to NADH during glycolysis.
