How are the branches in glycogen produced?
A) A branching enzyme catalyses the addition of a single glucose unit via an a(1,6) bond to glycogen from a glucose-1-phosphate, releasing Pi.
B) A branching enzyme catalyses the addition of a single glucose unit via an a(1,6) bond to glycogen from a glucose-6-phosphate, releasing Pi.
C) A branching enzyme catalyses the addition of a single glucose unit via an a(1,6) bond to glycogen from a glucose-UDP, releasing UDP.
D) A branching enzyme moves a short chain of several glucose units from a linear a(1,4) section of glycogen to make a new a(1,6) branch point.
Correct Answer:
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Q1: The activity of glycogen phosphorylase depends on
A)
Q2: Glucose-6-phosphatase activity is found associated with the
Q3: Glycolysis that starts with glycogen instead of
Q4: Starting from glucose and UTP and ATP,
Q4: What kind of reaction is used to
Q6: The enzyme that catalyzes the interconversion of
Q6: Which of the following reactions occur when
Q11: Glycogen is mainly found in
A) liver and
Q12: Glycogen phosphorylase
A) exists in two forms, phosphorylase
Q12: When glycogen synthase is phosphorylated
A) its activity
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