Science Quiz / Glycogen Breakdown & Control

Random Science Quiz

Can you name the different components of Glycogen Breakdown?

 Plays Quiz not verified by Sporcle

Forced Order
Score 0/23 Timer 10:00
1) Linkage between glucose monomers in linear chain-
2) Linkage between a glycogen chain and one of its branches-
3) Enzyme which breaks linkage in #1-
4) Does this enzyme exist as a monomer, homodimer or heterodimer?-
5) Method of breakage by #3-
6) Enzyme that breaks linkage in #2-
7) Method of breakage by #6-
8) First type of activity shown by #5-
9) Second type of activity shown by #5-
10) Product of #3's enzyme-
11) Product of activity in #9-
12) What is the product from #10 converted to?-
13) What is the enzyme for the reaction in #12?-
14) Does #13 act by TRANSFERING the phosphate or by ADDITION of a second phosphate and then removing the first? (B)-
15) What residue of this enzyme carries the phosphate group?-
16) Control of glycogen breakdown: Is glycogen phosphorylase more active when phosphorylated?-
17) What enzyme does this phosphorylation?-
18) What pancreatic hormone triggers the phosphorylation?-
19) What other hormone triggers glycogen breakdown?-
20) What enzyme dephosphorylates glycogen phosphorylase?-
21) In the muscles, is the less active version of glycogen phosphorylase allosterically inhibited by ATP or AMP?-
22) Similarly, is it inhibited in the muscles by glucose-6-phosphate or acetylCoA?-
23) In the liver is the MORE active version inhibied by glucose or glucose-6-phosphate?Hint: The liver supplies glucose to meet the whole body's needs, not just it's own.

You're not logged in!

Compare scores with friends on all Sporcle quizzes.
Join for Free
Log In

You Might Also Like...

Show Comments


Top Quizzes Today

Score Distribution

Your Account Isn't Verified!

In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your Sporcle Settings to finish the process.

Report this User

Report this user for behavior that violates our Community Guidelines.