electron transport chain mcq || electron transport chain biochemistry
This Video contains Multiple choice questions about Electron Transport Chain. Electron Transport Chain is the important step of cellular respiration.
Electron Transport System or ETC
(i) In this hydrogen atoms produced during oxidation of various
intermediates during Kreb cycle are first broken into protons and
electrons.
(ii) These protons and electrons after passing through a series of
coenzymes and cytochromes combine with oxygen to form water
molecules.
(iii) During these series of events 1NADPH2
releases 3ATP molecules
and 1FADH2 gives 2ATP molecules which were produces during kreb
cycle and glycolysis.
NOTE : The net gain of ATP molecules during respiration in 38ATP
molecules among them,
8ATP from glycolysis
6ATP from conversion of pyruvic acid into acetyl CO. A
24ATP from kreb cycle
besides this CO2 and H2O are also released.
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30 авг 2020
