BSC 1010 Chapter Notes - Chapter 6: Acetyl-Coa, Atp Synthase, Citric Acid Cycle

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Published on 3 Jul 2019
School
Course
Professor
BSC 1010
Chapter Six
Review Questions
1.
Alcoholic fermentation
produces carbon dioxide, produces ethanol,
produces far less ATP than aerobic
respiration, and is carried out by yeasts.
2.
Anaerobic respiration is most common in
prokaryotes.
3.
The chemical formula for glucose is:
C6H12O6
4.
________ combines with the two carbons of
the acetyl CoA, as it enters the Krebs cycle.
Oxaloacetate
5.
Compared to the air we inhale, the air that
we exhale, has
a lower concentration of O2 and a higher
concentration of CO2.
6.
The compound that enters the Krebs cycle
as a reactant is
acetyl CoA.
7.
During fermentation, ___ ATP can be
produced per glucose molecule, compared
with ____ by the aerobic respiration.
2; 36
8.
During glycolysis, _______ molecules of
______ are required to "activate" glucose.
two; ATP
9.
During glycolysis, molecules of glucose are
broken down by enzymes to form two
molecules of pyruvate.
10.
The electron transport chain produces a(n)
_______ concentration gradient.
H+ proton
11.
The enzyme that forms a transport channel
in the inner membrane of the mitochondria
and phosphorylates ADP is
ATP synthase.
12.
The first steps in glycolysis involve
adding two phosphates from ATP to
glucose.
13.
Glycolysis does not require
oxygen.
14.
Glycolysis occurs in the
cytoplasm.
15.
Glycolysis of a glucose molecule produces a
net gain of
two molecules of ATP.
16.
How can glycolysis produce ATP in the
absence of oxygen and ATP synthase?
By substrate level phosphorylation
17.
How many times does the Krebs cycle run
for each glucose molecule carried in as the
acetyl CoA?
twice
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Document Summary

______ are required to "activate" glucose: during glycolysis, molecules of glucose are, the electron transport chain produces a(n) Oxaloacetate a lower concentration of o2 and a higher concentration of co2. acetyl coa. 2; 36 two; atp broken down by enzymes to form two molecules of pyruvate. Nadh and fadh2 are transported along electron transport proteins in the: in glycolysis and the krebs cycle, electrons are removed from glucose and taken up by molecules like nad+. 30 mitochondrion mitochondria. inner mitochondrial membrane. oxidized; reduced. Atp, nadh, and fadh2. oxygen, reducing it with hydrogen to form water. too much energy would be released as heat and would destroy the cell. glycolysis. citric acid cycle: most of the energy that enters the electron. It is taken to the liver and converted back to pyruvate. This is now known to be caused by the.

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