2. What metabolic type of reaction involves the addition of a functional group a
ID: 175718 • Letter: 2
Question
2. What metabolic type of reaction involves the addition of a functional group across a double bond or the removal of a functional group to form a double bond?
Isomerization
Group trasnfer
Ligation requiring ATP
Lyase
None of the above.
Fructose is cleaved to two molecules of GAP.
Fructose is converted to fructose-1-phosphate.
Fructose is converted to fructose-6-phosphate.
Fructose is cleaved to GAP and DHAP.
Fructose is converted to glucose, which enters the pathway.
Isomerization
Group trasnfer
Ligation requiring ATP
Lyase
None of the above.
Explanation / Answer
2. Lyase. Add or remove functional groups to form double bond. Break Carbon-carbon, Carbon - oxygen, Phosphorus- oxygen and carbon - nitrogen bonds to form double bonds.
There are six types of enzymes based on the reaction catalysed.
1. Hydrolases: Break bond by adding water.
2. Isomerases: Structural changes are made without changing the number of atoms. One molecule is transformed into another molecule by changing the position of functional groups.
3. Ligases: Join two molecules to form bond by using energy (ATP)
4. Lyases: Add or remove functional groups to form double bond
5. Oxidoreductases: Transfer of electron from one molecule to another.
6. Transferases: Transfer of functional groups from one molecule to another.
2.Fructose is converted to fructose-6-phosphate by hexokinase
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.