UNCW Bio201 Exam 2 (2026/2027) || Most Recent
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Energy - Answer-The ability to do work or cause change
when ATP and glucose are both low, you will burn _____ &
___________ - Answer-fat, proteins
when you lose weight by burning excess body fat, the
majority of the weight leaves your body via
________________ - Answer-exhalation
During which phase of cellular respiration is FADH2
produced? - Answer-The TCA cycle only
The yield from each acetyl-Co A molecule in the citric acid
cycle of cellular respiration includes - Answer-3 NADH
Fatty acids and some amino acids are converted directly
into________ for ATP production. - Answer-acetyl CoA
how does glycerol enter cellular respiration? - Answer-
glyeraldehyde-3-phosphate
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The initial reaction of the Krebs cycle involves the addition
of a - Answer-2-carbon molecule to a 4-carbon molecule.
Carbon dioxide (CO2) is produced during cellular
respiration. Which of the following statements is TRUE?
- CO2 brings high energy electrons to the electron
transport chain.
- NADH is used to reduce CO2 to make high energy
carbohydrates.
- CO2 is produced during glycolysis, pyruvate oxidation
and the citric acid cycle.
- CO2 is often the product when an organic molecule is
oxidized.
- The oxygen we breathe is a reactant in the formation of
CO2 - Answer-CO2 is often the product when an organic
molecule is oxidized
when pyruvate is converted to acetyl CoA, it is - Answer-
oxidized
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Which compound has the highest free energy and
produces the most ATP per molecule when oxidized? -
Answer-glucose
During the cleavage stage of glycolysis, fructose-1, 6
bisphosphate is broken down into - Answer-two molecules
of glyceraldehyde-3-phosphate
electron transport chain - Answer-A sequence of electron
carrier molecules (membrane proteins) that shuttle
electrons during the redox reactions that release energy
used to make ATP.
Chemiosmosis - Answer-A process for synthesizing ATP
using the energy of an electrochemical gradient and the
ATP synthase enzyme.
protein complexes of the ETC - Answer-complex I,
complex II, coenzyme Q, complex III, cytochrome C, and
complex IV.
mobile electron carriers of the ETC - Answer-ubiquinone
(coenzyme Q) and cytochrome c (Cyt c)
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proton pumps - Answer-the most important transport
proteins, use energy from ATP to pump protons out of the
cell
ATP synthase - Answer-Large protein that uses energy
from H+ ions to bind ADP and a phosphate group together
to produce ATP
anaerobic respiration - Answer-Respiration in the absence
of oxygen. This produces lactic acid.
lactic acid fermentation - Answer-the chemical breakdown
of carbohydrates that produces lactic acid as the main end
product
alcoholic fermentation - Answer-the anaerobic process by
which yeasts and other microorganisms break down
sugars to form carbon dioxide and ethanol
the structure of the electron transport chain - Answer-The
electron transport chain is composed of four large,
multiprotein complexes embedded in the inner