Podcast
Questions and Answers
What is the primary role of ATP in cellular processes?
What is the primary role of ATP in cellular processes?
- To store genetic information
- To act as a catalyst for reactions
- To provide energy for various cellular functions (correct)
- To transport molecules across membranes
How do potential and kinetic energy relate to the Laws of Thermodynamics?
How do potential and kinetic energy relate to the Laws of Thermodynamics?
- They demonstrate energy transformations and conservation principles. (correct)
- Both forms of energy are unaffected by external forces.
- Potential energy is always conserved according to the first law.
- Kinetic energy can only be converted from chemical energy.
Which type of reaction is characterized by the breaking down of molecules?
Which type of reaction is characterized by the breaking down of molecules?
- Decomposition (correct)
- Synthesis
- Endergonic
- Exchange
What term describes a reaction that absorbs energy and requires it to proceed?
What term describes a reaction that absorbs energy and requires it to proceed?
What is activation energy?
What is activation energy?
What role do enzymes play in the human body?
What role do enzymes play in the human body?
What factor does NOT affect enzyme activity?
What factor does NOT affect enzyme activity?
Flashcards
ATP Structure and Function
ATP Structure and Function
ATP (adenosine triphosphate) stores and transfers energy in cells.
Potential vs Kinetic Energy
Potential vs Kinetic Energy
Potential energy is stored energy; kinetic energy is energy in motion.
Types of Chemical Reactions
Types of Chemical Reactions
The three major types are synthesis, decomposition, and exchange (redox).
Reaction Rate
Reaction Rate
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Enzyme Function
Enzyme Function
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Active Site & Cofactors
Active Site & Cofactors
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Metabolism and Feedback
Metabolism and Feedback
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Study Notes
Energy, Chemical Reactions, and Cellular Respiration
- ATP structure and function, storage, and release
- Comparison of potential and kinetic energy, and thermodynamic laws
- Three types of chemical reactions: synthesis, decomposition, and exchange (oxidation-reduction)
- Classification of reactions: anabolic, catabolic, endergonic, exergonic, reversible, irreversible
- Reaction rate, activation energy, catalyzed/uncatalyzed reactions
- Enzyme structure and function; importance in human body
- Enzyme action mechanism; active sites and cofactors
- Effects of substrate concentration, temperature, and pH on reaction rates (optimal ranges)
- Competitive and noncompetitive inhibition
- Definition of metabolism; metabolic pathways as examples of negative feedback
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