
Unit 3 & 4 AP Biology CED Review
Flashcard
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is denaturation of an enzyme?
Back
Denaturation is the process in which an enzyme loses its three-dimensional structure due to external stressors, such as extreme temperature or pH changes, resulting in a loss of function.
2.
FLASHCARD QUESTION
Front
What environmental conditions can cause denaturation of enzymes?
Back
Extreme increase in temperature and pH changes.
3.
FLASHCARD QUESTION
Front
What is the primary structure of a protein?
Back
The primary structure is the linear sequence of amino acids in a polypeptide chain.
4.
FLASHCARD QUESTION
Front
Which protein structure is unaffected by denaturation?
Back
Primary structure.
5.
FLASHCARD QUESTION
Front
What happens when a ligand binds to its receptor?
Back
There is a conformational change in the shape of the receptor.
6.
FLASHCARD QUESTION
Front
What is signal transduction?
Back
Signal transduction is the process by which a cell responds to external signals, often involving a series of molecular events that lead to a cellular response.
7.
FLASHCARD QUESTION
Front
What are secondary messengers?
Back
Secondary messengers are molecules that relay signals received at receptors on the cell surface to target molecules inside the cell.
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