BIO 181 Exam 2 Questions and Answers New (2025/2026) Solved 100% Correct
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Course
BIO 181
Institution
BIO 181
Where in the cell does the Krebs (Citric Acid) cycle part of cellular respiration occur? -
️️the mitochondrial matrix
Where in the cell does the glycolysis part of cellular respiration occur? - ️️the
cytosol
What is the glycolysis part of cellular respiration's purpose? - ️️A molecu...
BIO 181 Exam 2
Where in the cell does the Krebs (Citric Acid) cycle part of cellular respiration occur? -
✔️✔️the mitochondrial matrix
Where in the cell does the glycolysis part of cellular respiration occur? - ✔️✔️the
cytosol
What is the glycolysis part of cellular respiration's purpose? - ✔️✔️A molecule of
glucose is split to release energy
What is the Krebs' cycle purpose? - ✔️✔️generates a pool of chemical energy,
generating 1 ATP, 3 NADH and 1 FADH2
Where in the cell does the electron transport part of cellular respiration occur? -
✔️✔️across the inner membrane of the mitochondria
What is the electron transport's purpose in the cellular respiration? - ✔️✔️produces 32
ATP
How many ATP are made in the glycolysis part of cellular respiration? - ✔️✔️4
How many ATP are made in the Kreb's cycle part of cellular respiration? - ✔️✔️1
How many ATP are made in the electron transport part of cellular respiration? -
✔️✔️none
What are the 3 phases of the cellular respiration process? - ✔️✔️glycolysis, the citric
acid cycle, and the electron transport chain
In which phase of cellular respiration is carbon dioxide made? - ✔️✔️Kreb's cycle (citric
acid cycle)
What are NAD+ and FAD? - ✔️✔️function as electron carriers
In which phase of cellular respiration is water made? - ✔️✔️Electron Transport Chain
, What would happen to the cellular respiration process if the enzyme (aka catalyst) for
one step of the process was missing or defective? - ✔️✔️The process would stop and
no more products would be made
During cellular respiration, which stage does not produce ATP via substrate-level
phosphorylation? - ✔️✔️chemiosmosis
With regards to glycolysis, what is the most important molecule that is generated? -
✔️✔️pyruvate
Briefly describe how ATP synthase generates ATP. - ✔️✔️ATP synthesis is a protein
complex that is essentially a proton-driven rotary motor that produces ATP from ADP
and Pi. ATP serves energy currency of the cell and can be though of as an available
source of chemical energy.
What is the final electron acceptor in cellular respiration? - ✔️✔️oxygen
Where in the cell does chemiosmosis occur and what is its purpose? -
✔️✔️mitochondria or chloroplast, movemnet of ions across a selectively permeable
membrane.
Where does oxidative phosphorlation occur in the cell and what is its purpose? -
✔️✔️Inner membrane. Create ATP
Aerobic - ✔️✔️relating to, involving, or requiring free oxygen.
Anaerobic - ✔️✔️relating to, involving, or requiring an absence of free oxygen.
cellular respiration - ✔️✔️The series of metabolic processes by which living cells
produce energy through the oxidation of organic substances.
Fermentation - ✔️✔️is a metabolic process that converts sugar to acids, gases or
alcohol. It occurs in yeast and bacteria, but also in oxygen-starved muscle cells, as in
the case of lactic acid fermentation.
Catabolic Pathway - ✔️✔️A series of metabolic reactions leading to breakdown of a
complex organic molecule to a simpler ones, with release of energy.
Anabolic Pathway - ✔️✔️is the set of metabolic pathways that construct molecules
from smaller units. These reactions require energy.
Kinetic Energy - ✔️✔️The energy possessed by a body because of its motion, equal to
one half the mass of the body times the square of its speed.
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