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Home Q & A Board Science-Related Homework Help High School Level Science
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hellohi hellohi
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13 years ago
Hi, I am currently looking at an amylopectin structure. It shows the 1,6 ether linkage that should be there, but I don't get where it starts so you can see the 1,6 ether linkage.

This is the link to it:

http://rpi.edu/dept/bcbp/molbiochem/MBWeb/mb1/part2/sugar.htm

I mean, I don't get why the structure looks that way. Can you please explain? Ty
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#1
Educator
13 years ago
Good question.



Blurb
Amylopectin is a glucose polymer with mainly a(1-4) linkages, but it also has branches formed by a(1-6) linkages. The branches are generally longer than shown above. The branches produce a compact structure, and provide multiple chain ends at which enzymatic cleavage of the polymer can occur.
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#2
Educator
13 years ago
This is what allows the structure to be highly branched. Glycogen, for example, is the same way Slight Smile
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#3
Educator
13 years ago
Oh, if this is high school, make sure questions are asked in the "high-school" board Wink Face
hellohi Author
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#4
13 years ago
Yes it is high school, lol thank you. I understand what you were saying but in the diagram the second glucose on the top, and the one below it to the right. The bond they share, is where I'm confused. What I don't get, there was an OH there (on the second glucose on the top), but where the red 1 is it only shows O, where does the H go?
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bio_manbio_man
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#5
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13 years ago
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hellohi Author
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#6
13 years ago
Okay I kind of get what you are saying thank you:)
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#7
Educator
13 years ago
Quote from: hellohi (13 years ago)
kind of

Kind of?

What are you having trouble understanding?
hellohi Author
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#8
13 years ago
Uh okay. When you look at all the glucose structures, they are bonding. However, except for the two awkward ones, you can see the H\    /H
                                                                                            O

Except for those two. I don't get how come the shape changes like that.
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#9
Educator
13 years ago
Wink Face Hard to explain, but here's a self-explanatory diagram...
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hellohi Author
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#10
13 years ago
I think I get it much better now, thank you:)
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#11
Educator
13 years ago
Quote from: hellohi (13 years ago)
I think I get it much better now, thank you:)

Yes!
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