16 Questions
Which of the following is the primary function of catabolic reactions?
Accumulation of energy as ATP
What is the main purpose of stage I in the stages of catabolism?
Hydrolysis of macromolecules into their respective monomers
What is the sum total of the chemical activities of all cells known as?
Cellular metabolism
In cellular metabolism, what happens if energy needs are not met by carbohydrates and fat?
Amino acids are broken down
What captures 40% of the energy released in catabolism?
ATP
Which stage of catabolism involves the conversion of monomers to acetyl CoA?
Stage II
In bioenergetics, which process involves the complete oxidation of acetyl CoA to CO2 and the synthesis of ATP by oxidative phosphorylation?
Catabolism
Which term refers to the branch of biochemistry focusing on how cells transform energy, often by producing, storing, or consuming ATP?
Bioenergetics
What is the main function of anabolic pathways in cellular metabolism?
Convert small precursors into macromolecules
Which type of reaction requires a net input of energy and is exemplified by photosynthesis?
Endergonic Reactions
According to bioenergetics, which thermodynamic quantity represents the amount of energy capable of doing work during a reaction at constant temperature and pressure?
Gibbs free energy (G)
What is the main focus of the study of bioenergetics in living cells?
Energy transduction and transformation
Which type of reaction releases energy and is exemplified by cellular respiration?
Exergonic Reactions
In bioenergetics, what do catabolic pathways deliver for use in anabolic pathways?
$ATP$ and $NADPH$
What is the main goal of anabolic pathways in cellular metabolism?
$Convert$ small precursors into macromolecules
In the context of bioenergetics and thermodynamics, what does the 1st law state about the total amount of energy in the universe?
$Energy$ may change form or it may be transported from one region to another, but it cannot be created or destroyed.
Test your knowledge of bioenergetics principles with this quiz covering topics such as bioenergetics and thermodynamics, chemical logic, ATP, and biological oxidation-reduction reactions.
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