BIOL 1500: Final Exam Review Questions And
Answers |Latest 2025 | Guaranteed Pass
ATP, CO2, and ethanol - Answer✔Yeast cells grown anaerobically can obtain energy by
fermentation, which results in the production of?
NAD+ is reduced to NADH during glycolysis - Answer✔Which of the following statements about
NAD+ is true?
oxidation of pyruvate to acetyl CoA and the citric acid cycle - Answer✔Carbon dioxide (CO2) is
released during which of the following stages of cellular respiration?
It is stored in NADH and FADH2 - Answer✔A glucose molecule is completely broken down to
carbon dioxide and water in glycolysis and the citric acid cycle, but together these two
processes yield only a few molecules of ATP. What happened to most of the energy that the cell
obtains from the oxidation of glucose?
It represents the first stage in the chemical oxidation of glucose by a cell - Answer✔Which of
the following describes the process of glycolysis?
oxidative phosphorylation - Answer✔Which of the following metabolic pathways requires a
proton gradient?
Glucose is consumed, and carbon dioxide is produced - Answer✔In the process of cellular
respiration, what is consumed, and what is produced?
glycolysis and fermentation - Answer✔Which of the following metabolic pathways occur(s) in
the cytosol of eukaryotic cells?
4 - Answer✔In the complete oxidation of a molecule of glucose (C6H12O6) in aerobic cellular
respiration, how many molecules of ATP are produced by substrate-level phosphorylation?
mitochondrial intermembrane space - Answer✔Energy released by the electron transport chain
is used to pump H+ into which location in eukaryotic cells?
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Two molecules of ATP are used, and four molecules of ATP are produced - Answer✔Which of
the following statements correctly describes how ATP is involved in the oxidation of one
molecule of glucose in glycolysis?
a monosaccharide and a fatty acid - Answer✔Two molecules with the chemical formulas
C6H12O6 and C6H12O2 are probably
inner membrane - Answer✔Where in mitochondria is the enzyme ATP synthase localized?
Valence electrons have a higher energy level than those in other filled shells - Answer✔Which
of the following is true of the energy levels of electrons in shells?
catabolic pathways - Answer✔Which of the following terms describes metabolic pathways that
break down complex molecules to release stored energy?
inner mitochondrial membrane - Answer✔Where are the proteins of the electron transport
chain located in a eukaryotic cell?
redox reactions in the electron transport chain - Answer✔What is the source of the energy used
to generate the proton gradient across the inner mitochondrial membrane?
The basic function of fermentation is the regeneration of NAD+, which allows continued ATP
production by glycolysis - Answer✔Identify all correct statements about the basic function of
fermentation.
glucose → glycolysis → pyruvate oxidation → citric acid cycle → electron transport chain -
Answer✔Which of the following sequences represents the correct order in which metabolic
reactions occur during the complete oxidation of glucose through aerobic respiration?
one of the atoms sharing electrons is more electronegative than the other - Answer✔A covalent
bond is likely to be polar when
It is retained in two pyruvate molecules - Answer✔Upon completion of glycolysis, what is the
fate of the majority of the potential energy contained in the original glucose molecule?
2 NADH, 2 pyruvate, and 2 ATP - Answer✔Glycolysis results in a net production of which of the
following molecules from each molecule of glucose?
citric acid cycle → NADH → electron transport chain → oxygen - Answer✔Inside an active
mitochondrion, most electrons follow which of the following pathways?
Early steps consume energy from ATP, and later steps store an increased amount of energy in
ATP and NADH - Answer✔Why is glycolysis described as having an energy investment phase
and an energy payoff phase?
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