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Questions and Answers
During alcoholic fermentation, pyruvate is reduced via a two-step process that regenerates NADH and produces carbon dioxide as a byproduct.
During alcoholic fermentation, pyruvate is reduced via a two-step process that regenerates NADH and produces carbon dioxide as a byproduct.
False (B)
Nicotinamide adenine dinucleotide becomes reduced when it...
Nicotinamide adenine dinucleotide becomes reduced when it...
- Is phosphorylated
- Loses a hydrogen atom and two electron
- Gains two hydrogen atoms and two electrons
- Gains a hydrogen and two electrons (correct)
Which statement is true?
Which statement is true?
- Both porins and cardiolipin are found in the matrix of the mitochondria
- Porins are found in the outer mitochondrial membrane; cardiolipin is found in the inner mitochondrial membrane (correct)
- Both porins and cardiolipin are found in the inner mitochondrial membrane
- Porins are found in the inner mitochondrial membrane; cardiolipin is found in the outer mitochondrial membrane
Which of the following direct products are not produced by pyruvate oxidation?
Which of the following direct products are not produced by pyruvate oxidation?
Which of the following processes occur in the mitochondrion?
Which of the following processes occur in the mitochondrion?
Mitochondria are dynamic energy converting organelles that house the enzymes for glycolysis and the citric aid cycle.
Mitochondria are dynamic energy converting organelles that house the enzymes for glycolysis and the citric aid cycle.
Porins, found in the inner mitochondrial membrane, contain beta-sheets in their transmembrane domains, and allow moderately-sized molecules through membranes.
Porins, found in the inner mitochondrial membrane, contain beta-sheets in their transmembrane domains, and allow moderately-sized molecules through membranes.
The protein complexes of the electron transport chain generate a proton gradient across the inner mitochondrial membrane.
The protein complexes of the electron transport chain generate a proton gradient across the inner mitochondrial membrane.
Which of the following is required for a hydrolysis reaction?
Which of the following is required for a hydrolysis reaction?
Lipid rafts are characterozed by...
Lipid rafts are characterozed by...
Nicotinamide adenine dinucleotide becimes reduced when it...
Nicotinamide adenine dinucleotide becimes reduced when it...
--- function like a fence to block membrane protein movement between various regions of an intestinal epithelial cell membrane.
--- function like a fence to block membrane protein movement between various regions of an intestinal epithelial cell membrane.
Alcoholic fermentation has which of the following features?
Alcoholic fermentation has which of the following features?
Endosymbiosis proposes that mitochondria and chloroplasts both evolved from Prokaryotic cells.
Endosymbiosis proposes that mitochondria and chloroplasts both evolved from Prokaryotic cells.
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Study Notes
Alcoholic Fermentation
- During alcoholic fermentation, pyruvate is reduced via a two-step process that regenerates NAD+ and produces carbon dioxide as a byproduct.
Mitochondria
- Mitochondria are dynamic energy-converting organelles that house the enzymes for glycolysis and the citric acid cycle.
- Porins in the inner mitochondrial membrane contain beta-sheets in their transmembrane domains, allowing moderately-sized molecules to pass through membranes.
- Protein complexes of the electron transport chain generate a proton gradient across the inner mitochondrial membrane.
NAD+
- Nicotinamide adenine dinucleotide (NAD+) becomes reduced when it gains electrons.
Hydrolysis Reaction
- Water is required for a hydrolysis reaction.
Lipid Rafts
- Lipid rafts are characterized by... (no additional information provided)
Cell Membrane
- ...function like a fence to block membrane protein movement between various regions of an intestinal epithelial cell membrane.
Endosymbiosis
- Endosymbiosis proposes that mitochondria and chloroplasts evolved from prokaryotic cells.
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