18 Questions
According to the passage, which of the following is the relationship between enthalpy (H), entropy (S), and free energy (G)?
$G = H - TS$
What is the defining characteristic of a high energy compound according to the passage?
Both (a) and (b)
What is the standard free energy (G) change according to the passage?
The free energy change when the reactants or products are at a concentration of 1 mol/l at pH 7.0
Which of the following is NOT a characteristic of high energy compounds according to the passage?
They are the only compounds that can be used to store and transfer energy in biological systems
According to the passage, how is the relationship between enthalpy (H), entropy (S), and free energy (G) mathematically expressed?
$G = H - TS$
What is the defining characteristic of a low energy compound according to the passage?
Both (a) and (b)
Which of the following is a key principle of the chemiosmotic theory?
The proton gradient across the inner mitochondrial membrane is the driving force for ATP synthesis.
What is the primary function of the electron transport chain in oxidative phosphorylation?
To create a proton gradient across the inner mitochondrial membrane.
Which of the following is a correct statement about photosynthesis?
It converts light energy into chemical energy in the form of ATP and NADPH.
What is the primary role of metabolism in living organisms?
Both (a) and (b).
Which of the following is a high-energy compound involved in bioenergetics?
ATP
What is the primary function of biological oxidation in cellular metabolism?
To generate ATP through oxidative phosphorylation.
In the process of oxidative phosphorylation, which of the following is the terminal electron acceptor?
Molecular oxygen ($O_2$)
Which of the following statements accurately describes the chemiosmotic theory?
It proposes that a proton gradient across the inner mitochondrial membrane drives ATP synthesis.
Which of the following coenzymes is reduced during the electron transport chain?
NADH and FADH2
Which of the following processes is responsible for the formation of a proton gradient across the inner mitochondrial membrane?
Electron transport chain
Which of the following statements accurately describes bioenergetics?
It deals with the transformation and use of energy by living cells.
Which of the following processes is directly coupled to ATP synthesis during oxidative phosphorylation?
Chemiosmotic mechanism
Test your knowledge on the introduction to metabolism, bioenergetics, and photosynthesis including high energy compounds, biological oxidation, electron transport chain, and more. Explore topics like the chemiosmotic theory, shuttle pathways, and the light reaction in photosynthesis.
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