AP Biology - Unit 3 Flashcard 1

Flashcard
•
Biology
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an exergonic reaction?
Back
An exergonic reaction is a chemical reaction that releases energy, typically in the form of heat or light.
2.
FLASHCARD QUESTION
Front
What are cofactors in enzyme function?
Back
Cofactors are non-protein molecules, often metals, that assist enzymes in catalyzing reactions.
3.
FLASHCARD QUESTION
Front
What is non-competitive inhibition?
Back
Non-competitive inhibition occurs when a molecule binds to an allosteric site on an enzyme, reducing its activity regardless of substrate concentration.
4.
FLASHCARD QUESTION
Front
What characterizes anabolic pathways?
Back
Anabolic pathways are metabolic pathways that consume energy to build complex molecules from simpler ones.
5.
FLASHCARD QUESTION
Front
What is competitive inhibition?
Back
Competitive inhibition occurs when a molecule competes with the substrate for binding to the active site of an enzyme.
6.
FLASHCARD QUESTION
Front
Define endergonic reaction.
Back
An endergonic reaction is a chemical reaction that requires an input of energy to proceed.
7.
FLASHCARD QUESTION
Front
What role do enzymes play in biological reactions?
Back
Enzymes act as catalysts that speed up chemical reactions by lowering the activation energy required.
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