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Questions and Answers
Which of the following is a characteristic of penicillins?
Which of the following is a characteristic of penicillins?
- They inhibit bacteria cell wall synthesis
- They have the same structure as other antibiotics
- They are agonists
- They bind to proteins in the cell walls of bacteria (correct)
What is the main function of penicillins?
What is the main function of penicillins?
- To enhance bacteria cell division
- To promote bacteria cell wall synthesis
- To prevent bacteria cell wall synthesis (correct)
- To destroy bacteria cell walls
What is true about new forms of penicillin?
What is true about new forms of penicillin?
- They have different structures (correct)
- They are less effective than existing penicillins
- They are not developed anymore
- They have the same structures as existing penicillins
Which technique has enabled biochemists to determine the precise structure of enzymes and receptor sites?
Which technique has enabled biochemists to determine the precise structure of enzymes and receptor sites?
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What is the composition of the structural fragment of a drug molecule that confers pharmacological activity?
What is the composition of the structural fragment of a drug molecule that confers pharmacological activity?
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Which of the following correctly describes the orientation of functional groups in a drug molecule?
Which of the following correctly describes the orientation of functional groups in a drug molecule?
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Study Notes
Characteristics of Penicillins
- One characteristic of penicillins is that they inhibit bacterial cell wall synthesis.
Function of Penicillins
- The main function of penicillins is to inhibit bacterial cell wall synthesis, ultimately killing the bacteria.
New Forms of Penicillin
- New forms of penicillin have been developed through genetic engineering and other techniques.
Determining Enzyme and Receptor Sites
- X-ray crystallography has enabled biochemists to determine the precise structure of enzymes and receptor sites.
Pharmacological Activity
- The pharmacophore is the composition of the structural fragment of a drug molecule that confers pharmacological activity.
Orientation of Functional Groups
- The functional groups in a drug molecule are oriented in a specific three-dimensional arrangement to interact with the receptor site.
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