Actual Complete Real Exam Questions And Correct
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a molecule that gives up electrons is - ANSWER -oxidized
a molecule that accepts electrons is - ANSWER -reduced
electron carriers - ANSWER -proteins arranged in chains on
the membrane to
allow the transfer of electrons from one carrier
to another.
Electron Trabsport Chain - ANSWER -Found on the inner
mitochondrial
membrane
Produces the most ATP compared to glycolysis and
citric acid cycle
During cellular respiration - ANSWER -Electrons are transferred
from glucose to
oxygen and energy is
released
Cells capture energy from electrons "falling" from organic
fuels to oxygen -
, ANSWER -an electron loses its potential energy when it is
transferred to oxygen
substrate-level phosphorylation - ANSWER -The enzyme-
catalyzed formation of ATP by direct transfer of a phosphate
group to ADP from an intermediate substrate in catabolism.
- glycolysis and the citric acid cycle only produce four ATP
molecules by substrate-level phosphorylation
- NADH and FADH2 account for most of the energy extracted
from glucose
lactate fermentation - ANSWER -anaerobic sugar
breakdown pathway that
produces ATP and
lactate
alcoholic fermentation - ANSWER -pyruvate us converted to
ethanol in two
steps:
- CO2 is released from pyruvate, forming
acetaldehyde
- acetaldehyde is reduced by NADH to
ethanol
obligate anaerobes - ANSWER -use only fermentation or
anaerobic respiration
and cannot survive in the
presence of O2