AP Biology Unit 4 Review
Flashcard
•
Biology
•
•
Practice Problem
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Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are the three parts of a signal transduction pathway?
Back
Reception, Transduction, Response
2.
FLASHCARD QUESTION
Front
What effect does blocking a secondary messenger have on a cell signaling pathway?
Back
It inhibits transduction, thus deactivating the response.
3.
FLASHCARD QUESTION
Front
In which step of cell signaling do secondary messengers typically activate or deactivate enzymes?
Back
Transduction
4.
FLASHCARD QUESTION
Front
What occurs during anaphase of cell division?
Back
Sister chromatids are separated and kinetochores begin pulling chromosomes to opposite poles.
5.
FLASHCARD QUESTION
Front
What important event occurs during the S-phase of the cell cycle?
Back
DNA replication.
6.
FLASHCARD QUESTION
Front
Define reception in the context of cell signaling.
Back
The initial step where a signaling molecule binds to a receptor on a target cell.
7.
FLASHCARD QUESTION
Front
What is transduction in cell signaling?
Back
The process by which a signal is converted into a functional response within the cell.
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