WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
5th Edition
ISBN: 9781319516116
Author: PHELAN
Publisher: MAC HIGHER
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Question
Chapter 24, Problem 4SA
Summary Introduction
To analyze:
The effect of a substance that blocks acetylcholine from binding to its receptors.
Introduction:
Acetylcholine is a neurotransmitter, and is therefore essential for transmission of signals.
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Students have asked these similar questions
The Structure of the acetylcholine receptor is shown below:
C. What type of channel is the acetylcholine receptor and what activates it?
What are the advantages of having an enzyme (like adenylyl cyclase) involved in the initial response to receptor activation by a first messenger?
What are the two types of acetylcholine receptors?
Chapter 24 Solutions
WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
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- What are the two classes of neurotransmitter receptors?arrow_forwardA patient has been exposed to the organophosphate pesticide malathion,which inactivates acetylcholinesterase. Which of the following symptoms would you predict: blurring of vision, excess tear formation, frequent or involuntary urination, pallor (pale skin), muscle twitching, orcramps? Would atropine be an effective drug to treat the symptoms?(See Clinical Impact 16.2 for the action of atropine.) Explain.arrow_forwardWhat is neuroendocrine signalling?arrow_forward
- Describe the difference between agonist and antagonist. What is a role of G-protein coupled receptors?arrow_forwardWhat would happen if there is an increase of acetylcholine and serotonin receptor activation in the body?arrow_forwardWhat functional group interactions between the cate- cholamines and adrenoceptors are most likely? Which functional groups are considered pharmacophores of catecholamines?arrow_forward
- Based on the transduction pathway presented above, what type of receptor is the beta-3 adrenergic receptor? Question 15 options: a) It is a voltage-dependent ion channel. b) It is a G protein-coupled receptor (GPCR). c) It is a G protein. d) It is a protein kinase. e) It is a receptor tyrosine kinase (RTK).arrow_forwardEpinephrine binds to a set of adrenergic receptors found on a variety of cell types. Which of the following would NOT be an expected outcome of this binding?arrow_forwardWhat are the advantages of having an enzyme involved in the initial response to receptor activation by a first messenger?arrow_forward
- What is the nicotinic acetylcholine receptor? Where is it expressed?arrow_forwardDopamine, epinephrine (or norepinephrine) and histamine are important neurotransmitter agonists. When these ligands interact with their cellular receptors, how do they mainly elicit their responses? Choose the correct answer(s) and explain why. a) Activate adenylyl cyclase directly, leading to increased intracellular cAMP levels b) Activate phospholipase C c)Induce or inhibit synthesis of ligand specific intracellular proteins d) Open or close ligand gated ion channels e) Regulate intracellular second messengers through G-protein-coupled receptorsarrow_forwardwhat is acetylcholinesterase and where is it found?arrow_forward
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