Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
Chapter 24, Problem 5RQ
What holds a drug to its receptor site?
Expert Solution & Answer
To determine
The holding of drugsto its receptor site.
Answer to Problem 5RQ
A drug is held in the receptor site with the help of molecular attraction such as hydrogen bonding. Since the molecular force are much weaker, the drug is held to the receptor in a temporary manner.
Explanation of Solution
The fitting of drugs into its receptor site can be explained with the help of lock-and-key model. It states that drug molecules function in the receptor site. In the receptor site they are held with the help of hydrogen bonding or other molecular forces. The drug molecule is held into a receptor site as the key gets held in the lock.Also we know that the molecular attraction forces are very weak forces as a result of which the drug molecule is held only temporarily to the receptor site.
Conclusion:
Therefore, the drug is held to its receptor site in a temporary manner with the help of molecular attraction or forces e.g. hydrogen bonding.
Chapter 24 Solutions
Conceptual Physical Science Explorations
Ch. 24 - What are the three origins of drugs?Ch. 24 - Are a drugs side effects necessarily bad?Ch. 24 - What is synergistic effect?Ch. 24 - In the lock-and-key-model, is a drug viewed as the...Ch. 24 - What holds a drug to its receptor site?Ch. 24 - Prob. 6RQCh. 24 - How does penicillin G cure bacterial infection?Ch. 24 - How does a neuron maintain an electric potential...Ch. 24 - Prob. 9RQCh. 24 - Prob. 10RQ
Ch. 24 - Prob. 11RQCh. 24 - What is the role of GABA in the nervous system?Ch. 24 - Prob. 13RQCh. 24 - Prob. 14RQCh. 24 - Prob. 15RQCh. 24 - Prob. 16RQCh. 24 - What is an anesthetic?Ch. 24 - What is an analgesic?Ch. 24 - Prob. 19RQCh. 24 - Prob. 20RQCh. 24 - Aspirin can cure a headache, but when you pop an...Ch. 24 - Which is better for you:a drug that is a natural...Ch. 24 - When is drug overdose most likely to happen?Ch. 24 - How does chemotherapy work to fight a disease or...Ch. 24 - Prob. 5TECh. 24 - Would formulating a sulfa drug with PABA be likely...Ch. 24 - Prob. 7TECh. 24 - What is an advantage of synaptic clefts between...Ch. 24 - Prob. 9TECh. 24 - How is a drug addicts addiction similar to our...Ch. 24 - When a neuron is at rest there is a tiny electric...Ch. 24 - What flushes back into a neuron as a nerve impulse...Ch. 24 - Prob. 13TECh. 24 - Why do heavy drinkers have greater tolerance for...Ch. 24 - An excess of which of the neurotransmitters...Ch. 24 - Nicotine solutions are available from lawn and...Ch. 24 - A variety of gaseous compounds behave as general...Ch. 24 - How might the structure of benzocaine be modified...Ch. 24 - Prob. 19TECh. 24 - Prob. 20TECh. 24 - Which of the following is true about a medicine?...Ch. 24 - Which of the following would be an example of a...Ch. 24 - What are side effects? (a) They are a multiplying...Ch. 24 - Which of the following would not be part of the...Ch. 24 - Prob. 5RATCh. 24 - How is a set of neurons different from a wire...Ch. 24 - Prob. 7RATCh. 24 - Prob. 8RATCh. 24 - What is the cause of physical pain? (a) Rapid...Ch. 24 - Prob. 10RAT
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