12 Questions
What is the main function of enzymes in cellular reactions?
Decrease activation energy
Where do most enzymes have a unique 3-dimensional structure?
Active site
What type of inhibitor competes for occupation of the active site of an enzyme?
Competitive inhibitor
In which organelle does the citric acid cycle occur?
Mitochondria
What is the net production of ATP molecules at the end of glycolysis?
2 ATP
Which stage of cellular respiration occurs within the mitochondria?
Citric acid cycle
Which subatomic particle has a positive charge?
Proton
In an oxidation-reduction reaction, which structure is considered reduced?
Structure that gains an electron
What is the principal molecule for storing and transferring energy in cells?
ATP
Which particle is much smaller than protons and carries a negative charge?
Electron
What happens to ATP when a phosphate group is removed by breaking a phosphoanhydride bond?
It converts to ADP
Which structure is compared to storing money in a bank due to its role in cellular energy?
ATP
Test your knowledge on atomic structure, ATP as the 'energy currency' of cells, and oxidation-reduction reactions where electrons are exchanged between chemical structures.
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