16 Questions
What is the energy currency of life in living cells?
ATP
Which type of reaction releases energy?
Exergonic reaction
What is the entire set of enzyme-catalyzed transformations of organic molecules in living cells known as?
Metabolism
Which compounds provide chemical energy in living cells?
Glucose and fatty acids
What can be formed by the oxidation of carbon compounds like glucose and fatty acids?
ATP
What regulates metabolic pathways in living cells?
Regulatory enzymes
What is the main function of ATP in cells?
To provide energy for cell processes by linking catabolism and anabolism
What is the structure of adenosine triphosphate (ATP)?
Adenine + Ribose + 3 phosphate groups
Which process results in the production of ATP supported by the energy released from another high-energy bond that leads to phosphorylation of ADP to ATP?
Oxidative phosphorylation
What is the phase of intermediary metabolism concerned with the energy-yielding degradation of nutrient molecules?
Catabolism
What is the role of redox coenzymes in catabolism?
To oxidize coenzymes and transfer electrons to the electron transport chain
Which process involves substrates losing electrons and oxidizing coenzymes to collect electrons for ATP production?
Oxidative phosphorylation
What is the primary function of ATP in the context of metabolism?
To serve as a high-energy phosphate donor for anabolic reactions
Which reaction is characterized by the transfer of electrons from a donor to an acceptor molecule?
Redox reaction
What is the source of ATP production that occurs in the absence of mitochondria or anaerobiosis?
Substrate-level phosphorylation
Which phase of intermediary metabolism involves the biosynthesis of cell components from smaller precursors?
Anabolism
Learn about the biological transformations of energy, anabolic and catabolic reactions, ATP, endergonic and exergonic reactions, and the entire set of enzyme-catalyzed transformations of organic molecules in living cells.
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