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AP Biology Flashcards: Introduction To Signal Transduction

Study Introduction To Signal Transduction in AP Biology with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What are the two second messengers produced when PIP22 is cleaved?

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ANSWER

IP33 and DAG. Two different second messengers produced from one membrane lipid.

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AP Biology: Cell Communication and Cell Cycle

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This deck focuses on Introduction To Signal Transduction, giving you a quick way to review the definitions, rules, and examples that matter most for AP Biology.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
A signaling ligand G binds to a receptor on the plasma membrane and quickly increases cytosolic cGMP. Cells pretreated with a drug that locks heterotrimeric G proteins in the GDP-bound state show no cGMP increase after ligand addition, even though ligand binding is unchanged. When a membrane-permeable cGMP analog is added, the intracellular response occurs despite the drug. Which of the following best explains the early transduction step normally required for cGMP production?
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