Glycogen de-branching enzymes carry out all of the following except hydrolyzing the alpha (1 4) bond exhibiting specificity for the (1- 6) glucosidase activity releasing glucose as free glucose exhibiting transferase activity. exhibiting hydrolase (glucosidase) activity

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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Question 21:

**Glycogen de-branching enzymes carry out all of the following except:**

- Hydrolyzing the alpha (1→4) bond
- Exhibiting specificity for the (1→6) glucosidase activity
- Releasing glucose as free glucose
- Exhibiting transferase activity
- Exhibiting hydrolase (glucosidase) activity

Question 22:

**Which of the following statements is (are) false of glycogen phosphorylase?**

1. It degrades glycogen to form free glucose
2. It degrades glycogen to form glucose-6-phosphate
3. It removes glucose residues from the reducing ends of the glycogen chain
4. It is capable of catalyzing hydrolysis of 1→6 glycosidic bonds
Transcribed Image Text:Question 21: **Glycogen de-branching enzymes carry out all of the following except:** - Hydrolyzing the alpha (1→4) bond - Exhibiting specificity for the (1→6) glucosidase activity - Releasing glucose as free glucose - Exhibiting transferase activity - Exhibiting hydrolase (glucosidase) activity Question 22: **Which of the following statements is (are) false of glycogen phosphorylase?** 1. It degrades glycogen to form free glucose 2. It degrades glycogen to form glucose-6-phosphate 3. It removes glucose residues from the reducing ends of the glycogen chain 4. It is capable of catalyzing hydrolysis of 1→6 glycosidic bonds
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