The principal enzymes controlling glycogen metabolism
glycogen phosphorylase and glycogen synthase are regulated in
glycogen phosphorylase and glycogen synthase are regulated in
Anonymous Quiz
9%
A. opposite directions by allosteric mechanisms
13%
B. covalent modification by reversible phosphorylation
72%
C. Both
5%
D. None
How do you know that muscles need ATP?
Anonymous Quiz
3%
A. Muscle relaxation releases extra calcium
15%
B. Muscle contraction releases extra calcium
9%
C. AMP increase
5%
D. AMP decrease
29%
E. A and D
39%
F. B and C
Phosphorylation is increased in response to cyclic AMP (cAMP) formed from ATP by adenylyl cyclase at the inner surface of cell membranes in response to hormones such as
Anonymous Quiz
8%
A. glucagon
4%
B. norepinephrine
7%
C. epinephrine
30%
D. B and C
51%
E. All the above
The hormone that inhibits phosphorylation is
Anonymous Quiz
9%
A. glucagon.
12%
B. norepinephrine / epinephrine,
63%
C. insulin
16%
D. All above
insulin increases the activity of
Anonymous Quiz
40%
A. glycogen synthase
14%
B. glycogen phosphorylase
19%
C. phosphodiesterase
27%
D. All above
• Active phosphorylase a in both tissues(liver and muscle) is allosterically inhibited by
Anonymous Quiz
18%
A. glucose 6-phosphate;
14%
B. free glucose
5%
C. ATP
38%
D. A and C
26%
E. All the above
Muscle phosphorylase kinase, which activates glycogen phosphorylase, is a tetramer of..... different subunits,
Anonymous Quiz
30%
A. 2
43%
B. 4
18%
C. 6
8%
D. 8
In feeding condition insulin work
Anonymous Quiz
30%
A. activate the phosphodiesterase and breaks the CAMP
19%
B.Increases theG6P and allosteric Inactivate the Phosphorylase kinase and activate phosphatase-1
48%
C. Both
3%
D. None
...... different protein kinases act on glycogen synthase,
Anonymous Quiz
46%
A. 2
21%
B. 4
27%
C. 6
6%
D. 8
Two of the protein kinases of glycogen synthase, are
Anonymous Quiz
23%
A. cAMP-dependent protein kinase,
12%
B. Ca2+/calmodulin dependent
64%
C. Both
1%
D. None
Which enzyme catalyzes the only reversible reaction of whole glycogen metabolism
Anonymous Quiz
45%
A. phosphoglucomutase
15%
B. glycogen phosphorylase
31%
C. glucose-6-phosphatase
9%
D. glucan transferase
Which of the following statement is NOT true?
Anonymous Quiz
57%
A. glycogen metabolism is divided in 4 parts
11%
B. glycogenolysis is degradation of glycogen
5%
C. glycogen metabolism occurs in muscle and liver
28%
D. the concentration of liver glycogen is greater than muscle tissue
Which of the following statement is false regarding glycogenesis?
Anonymous Quiz
51%
a) Glycogen synthase is activated in the phosphorylated state.
20%
b) Glycogen synthase enzyme is inhibited by glucagon and epinephrine action.
11%
c) Protein phosphatase removes the phosphate group and activates the enzyme
19%
d) Insulin promotes glycogen synthesis in liver and skeletal muscles
Forwarded from حكاية صيدلاني🖤✌🏼
اسئله المصدر بايو
https://t.me/phph_phph/21083
اسئله مد جامعة بغداد بايو
https://t.me/phph_phph/21076
ملخص ملازم اولى بايو
https://t.me/phph_phph/21075?single
ملازم بغداد كلهن
https://t.me/phph_phph/21066
Mcq ملزمه اولى بايو
https://t.me/phph_phph/21085
ملخص انزيمات بايو وزاري
https://t.me/phph_phph/21114
اسئله مصدر بايو
https://t.me/phph_phph/21040?single
اسئله جامعه اوروك
https://t.me/phph_phph/21117
اسئله كوزات بغداد
https://t.me/phph_phph/21119?single
شرح قصه citric acid cycle
https://t.me/phph_phph/21126
اسئله مد البصره
https://t.me/phph_phph/21124
كوزات كاربوهيدرات
https://t.me/phph_phph/21135?single
حلول مد بغداد
https://t.me/phph_phph/21154
الملزمة السادسة mcq
Metabolism of glycogen
https://t.me/phph_phph/21137
https://t.me/phph_phph/21083
اسئله مد جامعة بغداد بايو
https://t.me/phph_phph/21076
ملخص ملازم اولى بايو
https://t.me/phph_phph/21075?single
ملازم بغداد كلهن
https://t.me/phph_phph/21066
Mcq ملزمه اولى بايو
https://t.me/phph_phph/21085
ملخص انزيمات بايو وزاري
https://t.me/phph_phph/21114
اسئله مصدر بايو
https://t.me/phph_phph/21040?single
اسئله جامعه اوروك
https://t.me/phph_phph/21117
اسئله كوزات بغداد
https://t.me/phph_phph/21119?single
شرح قصه citric acid cycle
https://t.me/phph_phph/21126
اسئله مد البصره
https://t.me/phph_phph/21124
كوزات كاربوهيدرات
https://t.me/phph_phph/21135?single
حلول مد بغداد
https://t.me/phph_phph/21154
الملزمة السادسة mcq
Metabolism of glycogen
https://t.me/phph_phph/21137
Telegram
حكاية صيدلاني🖤✌🏼
اسئلة المصدر بايو وزاري👍🌼
#بايو
#بايو
❤5👏1
mcq of M.T (Pentose Phosphate Pathway).pdf
152.5 KB
Pentose Phosphate Pathway
Mcq
Mcq