What occurs when the ligand binds to the receptor?
AP Biology: Unit 4 Review (CED)

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Biology
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A conformational change in the shape of the receptor.
2.
FLASHCARD QUESTION
Front
Which of the following is NOT involved with transduction?
Back
Ligands.
3.
FLASHCARD QUESTION
Front
What is the stage where the cell no longer divides?
Back
G0 phase.
4.
FLASHCARD QUESTION
Front
How do cyclins and CDKs function in the cell cycle?
Back
Cyclins activate CDKs, which perform the work of cell division.
5.
FLASHCARD QUESTION
Front
Which of the following is NOT a stage of the cell cycle?
Back
Apoptosis.
6.
FLASHCARD QUESTION
Front
Define 'ligand' in the context of cell signaling.
Back
A molecule that binds to a receptor to initiate a cellular response.
7.
FLASHCARD QUESTION
Front
What is the role of secondary messengers in signal transduction?
Back
They amplify the signal within the cell after the receptor is activated.
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