The Krebs Cycle will transform a [substrate] molecule into 3 [products] What is
ID: 200551 • Letter: T
Question
The Krebs Cycle will transform a [substrate] molecule into 3 [products]
What is the function of NADH and FADH2 in cellular respiration?
When oxygen (O2) accepts electrons in aerobic respiration, it is converted to _________
What happens to the electron's energy as it moves through the electron transport chain?
NADH is recycled back into NAD+ in which of the following phases of aerobic cellular respiration ?
"Oxidative" phosphorylation occurs in the _____ and most directly oxidizes _____
In eukaryotes, during oxidative phosphorylation, synthesis of ATP occurs in the _________ by way of a Proton gradient (pH gradient) that is generated by__________
In prokaryotes, during oxidative phosphorylation, synthesis of ATP occurs in the _________ by way of a Proton gradient (pH gradient) that is generated by__________
Fermentation is the process by which cells generate ATP when _________
During strenuous exercise muscle cells quickly run out of oxygen and...
Explanation / Answer
The Krebs Cycle will transform a [acetyl-coenzyme] molecule into 3 [NADH, FADH2 and ATP]. Note: these are not the products of transformation of acetyl coA. Acetyl coA will be resynthesized at the end of kreb's cycle and these are the main products which are formed and later used in cellular respiration.
What is the function of NADH and FADH2 in cellular respiration?
Ans. NADH and FADH2 are the electron carriers in cellular respiration which accept electron from breakdown of glucose and later from other stages and transfer these to electron transport chain to derive ATP synthesis.
When oxygen (O2) accepts electrons in aerobic respiration, it is converted to Water
What happens to the electron's energy as it moves through the electron transport chain?
Ans. Electron's energy is transferred from one molecule to another in electron transport chain. The transfer of electron occurs from low to high standard reduction potential. The energy released at each transfer is assimilated in the form of ATP.
NADH is recycled back into NAD+ in which of the following phases of aerobic cellular respiration ?
Ans. it is recycled back during oxidative phosphorylation when the electron is transferred to the complex 1 in electron transport chain.
"Oxidative" phosphorylation occurs in the mitochondrial matrix and most directly oxidizes NADH/FADH2.
In eukaryotes, during oxidative phosphorylation, synthesis of ATP occurs in the mitochondria by way of a Proton gradient (pH gradient) that is generated by H+ ions
In prokaryotes, during oxidative phosphorylation, synthesis of ATP occurs in the cytosol by way of a Proton gradient (pH gradient) that is generated by H+ ions
Fermentation is the process by which cells generate ATP when there is scarcity of O2.
During strenuous exercise muscle cells quickly run out of oxygen and ATP.
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