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SCB203 - Final Exam Prep Questions
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SCB203 - Final Exam Prep QuestionsCarbon dioxide results from the loss of carbons during: - correct answer the citric acid cycle.
What part of a triglyceride undergoes β-oxidation? - correct answer fatty acids
A drug inhibits the citric acid cycle from generating ATP. How many ATP are lost from the total
amount of ATP made thus far between the processes of glycolysis and the citric acid cycle? - correct
answer 2 ATP
Julia has diabetes mellitus and is experiencing ketoacidosis. What does her body use to generate
ATP? - correct answer fatty acids
The breakdown of carbohydrates into glucose in the body is classified as: - correct answer
catabolism
What ions flow along the electrochemical gradient back into the matrix to drive the work of ATP
synthesis? - correct answer hydrogen
If oxygen was NOT available as the final electron acceptor in the electron transport chain, which
cellular respiration product could not be made? - correct answer water
The sum of the body's chemical reactions is known as: - correct answer metabolism.
Which of the following is NOT true of glycolysis? - correct answer Four molecules of NADH are
spent.
When electrons are lost from one substance, they are transferred to another molecule in reactions
known as: - correct answer oxidation-reduction reactions.
The majority of the body's energy is stored as: - correct answer triglycerides.
,Kidney failure can lead to a build-up of a product of transamination in the blood. Which of the
following would you expect to remain in the blood rather than be released into the urine? - correct
answer ammonia
What do endergonic reactions require? - correct answer energy
What molecule is both the starting compound and end result of the citric acid cycle? - correct
answer oxaloacetate
What is NOT required for glycolysis to occur? - correct answer mitochondrion
Under anaerobic conditions, what happens to pyruvate? - correct answer Pyruvate undergoes
decarboxylation.
The process of storing glucose as glycogen is known as: - correct answer glycogenesis
Protein catabolism results in: - correct answer amino acids.
Which of the following reactions requires energy, such as ATP, to proceed? - correct answer
endergonic reactions
Reactions in which smaller molecules are combined to make a larger molecule are known as anabolic
reactions. - correct answer True
Which of the following lipids stores the most energy in the fatty acid chains? - correct answer
polyunsaturated fatty acid
Hydrogen bonds may occur between: - correct answer polar molecules
The formation of a cation and an anion is indicative of a(n): - correct answer ionic bond
What is NOT a function of the plasma membrane? - correct answer catalyze macromolecules into
subunits
, Enzymes bind with substrates at their active sites and are permanently altered by the binding
process. - correct answer False
Which of the following describes the fluid mosaic model of the plasma membrane structure? -
correct answer The phospholipid bilayer is embedded with associated proteins, cholesterol and
sugars and has a dynamic arrangement.
Where does protein synthesis occur? - correct answer ribosomes
The process of digesting food breaks large food particles into smaller particles. This example is best
described as a(n): - correct answer catabolic reaction
A long-lasting high fever is a concern for denaturation of: - correct answer enzymes.
On the pH scale, which number has the highest concentration of hydrogen ions? - correct answer
pH 1
Determine the number of protons in an isotope of nitrogen with an atomic number of 7 and a mass
number of 14. - correct answer 7
The atomic number represents the number of: - correct answer protons in an atom.
Water is most likely to dissolve a solute that is: - correct answer hydrophilic.
Which organelle modifies, sorts, and packages proteins and lipids for export from the cell? - correct
answer golgi apparatus
Glucose, galactose, and fructose have the molecular formula C6H12O6 but have different
arrangements of atoms. These sugars are: - correct answer isomers.
Sodium ions are moving with their concentration gradient with the use of a protein channel across a
plasma membrane. Determine the type of membrane transport used to transport these sodium ions.
- correct answer facilitated diffusion
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