Activating Groups
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Science, Chemistry
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University
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Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of activating groups in biochemistry?
To introduce new chemical reactions
To increase the molecular weight
To change the stability of molecules
To enhance the color of compounds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the most unstable derivative of carboxylic acids?
Anhydrides
Acyl halides
Esters
Amides
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't carboxylates be converted directly to amides in one step?
Because carboxylates are too reactive
Because amides are more stable than carboxylates
Because it requires a catalyst
Because the reaction is too slow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does thionyl chloride play in the conversion of carboxylates to amides?
It stabilizes the carboxylate
It reduces the energy level of the amide
It raises the energy level of the carboxylate
It acts as a catalyst
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of biochemistry, what is AMP used for?
As a catalyst
As a reducing agent
As an activating group
As a stabilizing agent
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes a carbon atom susceptible to nucleophilic attack?
Having a partial positive charge
Having a high molecular weight
Being bonded to hydrogen
Being part of a double bond
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of activating a molecule in a biochemical reaction?
To change its color
To make it more reactive
To increase its molecular weight
To make it more stable
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