effect of pellagra and rivoflavin deficiency in electron transport chain
effect of pellagra and rivoflavin deficiency in electron transport chain
Homework Answers
Answere : Pellegra is caused by deficiency of niacin or vitamin B3 or nicotinic acid. Niacin and its derivative i.e. nicotinamide both are precursors of Coenzyme NAD and NADP in vivo. These works as coenzymes for many dehydrogenases and carry electron for Electron Transportt Chain. The deficiency of niacin result in decrease in the level of these coenzymes which leads to decrease in efficiency of ETC or electon transport chain. This cause shut down of ATP production.
Riboflavin or Vitamin B2 metabolize carbohydrates into glucose for energy. This is done with the help of coenzyme FMN (flavin mononucleotide) and FAD( flavin adenine dinucleotide). These are flavoproteins of ETC i.e. complex I for FMN and complex II for FAD. The riboflavin deficiency decreases the level of FMN and FAD. This leads to decrease in efficiency of ETC.
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effect of pellagra and rivoflavin deficiency in
electron transport chain
effects of pellagra and rivoflavin deficiency in cellular respiration
effects of pellagra and rivoflavin deficiency in cellular respiration
This question relates to complex III of the electron transport chain Identify the electron carrier that...
This question relates to complex III of the electron transport chain Identify the electron carrier that directly donates electrons to complex III and the electron carrier that ultimately receives electrons from complex III 1^st (donating) carrier: _________ 2^nd (receiving) carrier: _______ How much energy is released by transferring one pair of electrons from the donating electron carrier to the receiving electron carrier? How many protons are transferred out of the intermembrane space as a transferring one pair of electrons from...
What happens along an electron transport chain? What happens along an electron transport chain? Electrons are...
What happens along an electron transport chain?
What happens along an electron transport chain? Electrons are passed from a reducing agent to an oxidizing agent, releasing free energy at each step. Electrons are passed from molecule to molecule, gaining potential energy at each step. O Electrons store energy that can be used to break down sugar molecules. O Protons are pumped through ATP synthase, making ATP.
Which electron carrier brings electrons to the electron transport chain via complex II? Which electron carrier...
Which electron carrier brings
electrons to the electron transport chain via complex II?
Which electron carrier brings electrons to the electron transport chain via Complex II? FADH_2 FAD NADH NAD^+ Which electron carrier brings electrons to the electron transport chain via Complex I? FADH_2 FAD NADH NAD^+ As the electron transport chain proceeds, electrons H^+ ions water CO_2 molecules are pumped into the intermembrane space cytoplasm matrix nucleus
How does an electron transport chain work?
How does an electron transport chain work?
A mutation in Complex I decreases the efficiency of the electron transport chain. However, not all...
A mutation in Complex I decreases the efficiency of the electron transport chain. However, not all components of the electron transport chain are affected by this mutation. Which component of the electron transport chain will remain unaffected by a mutation in Complex I? Complex IV Complex III Complex 11 ubiquinone
The metal that acts as an electron carrier in the cytochromes in the electron transport chain...
The metal that acts as an electron carrier in the cytochromes in the electron transport chain is Ochromium. O iron. hydrogen. O magnesium O cobalt.
Cyanide is a deadly and notorious poison that inhibits the electron transport chain by competitively inhibiting...
Cyanide is a deadly and notorious poison that inhibits the electron transport chain by competitively inhibiting cytochorome c oxidase. Given this information answer the following questions: Cyanide inhibition of the electron transport chain will __________ (simply state raise or lower) ATP production. Cyanide inhibition of the electron transport chain will __________ (simply state raise or lower) NAD+ levels in the mitochondria. Cyanide inhibition of the electron transport chain will __________ (simply state raise of lower) NADH levels in the mitochondria....
The electron transport chain consists of protein complexes embedded in the inner mitochondrial membrane, where it...
The electron transport chain consists of protein complexes embedded in the inner mitochondrial membrane, where it generat a proton gradient by a series of oxidation-reduction, or redox, reactions. Although all of the stages of cellular respiration (glycolysis, the citric acid cycle, and the electron transport chain) are necessary for life, the electron transport chain is sometimes called the most important stage. First complete the sentence, then answer the question. The electron transport chain uses the transfer of protons between protein...
The electron transport chain(ETC), or respiratory chain, is linked to proton movement and ATPsynthesis....
The electron transport chain (ETC), or respiratory chain, is linked to proton movement and ATP synthesis. Select the statements that accurately describe the electron transport chain. Choose all that apply.Prosthetic groups, such as iron-sulfur centers, are directly involved with electron transfer. The reactions of the ETC take place in the outer membrane of mitochondria. Electron carriers in the mitochondrial matrix include ubiquinone (coenzyme Q), FMN, and cytochrome c. The outer membrane of mitochondria is readily permeable to small molecules and hydrogen ions. Electrons generated...
This question relates to complex III of the electron transport chain Identify the electron carrier that directly donates electrons to complex III and the electron carrier that ultimately receives electrons from complex III 1^st (donating) carrier: _________ 2^nd (receiving) carrier: _______ How much energy is released by transferring one pair of electrons from the donating electron carrier to the receiving electron carrier? How many protons are transferred out of the intermembrane space as a transferring one pair of electrons from...
What happens along an electron transport chain?
What happens along an electron transport chain? Electrons are passed from a reducing agent to an oxidizing agent, releasing free energy at each step. Electrons are passed from molecule to molecule, gaining potential energy at each step. O Electrons store energy that can be used to break down sugar molecules. O Protons are pumped through ATP synthase, making ATP.
Which electron carrier brings
electrons to the electron transport chain via complex II?
Which electron carrier brings electrons to the electron transport chain via Complex II? FADH_2 FAD NADH NAD^+ Which electron carrier brings electrons to the electron transport chain via Complex I? FADH_2 FAD NADH NAD^+ As the electron transport chain proceeds, electrons H^+ ions water CO_2 molecules are pumped into the intermembrane space cytoplasm matrix nucleus
A mutation in Complex I decreases the efficiency of the electron transport chain. However, not all components of the electron transport chain are affected by this mutation. Which component of the electron transport chain will remain unaffected by a mutation in Complex I? Complex IV Complex III Complex 11 ubiquinone
The metal that acts as an electron carrier in the cytochromes in the electron transport chain is Ochromium. O iron. hydrogen. O magnesium O cobalt.
The electron transport chain consists of protein complexes embedded in the inner mitochondrial membrane, where it generat a proton gradient by a series of oxidation-reduction, or redox, reactions. Although all of the stages of cellular respiration (glycolysis, the citric acid cycle, and the electron transport chain) are necessary for life, the electron transport chain is sometimes called the most important stage. First complete the sentence, then answer the question. The electron transport chain uses the transfer of protons between protein...
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