scarlet-dancer
Badges: 6
Rep:
?
#1
Report Thread starter 7 years ago
#1
"Suggest why there are no channels for insulin release across the membrane" [2m]

Anyone knows how to answer this?

thanks!
0
reply
Dynamo123
  • Study Helper
Badges: 7
Rep:
?
#2
Report 7 years ago
#2
(Original post by scarlet-dancer)
"Suggest why there are no channels for insulin release across the membrane" [2m]

Anyone knows how to answer this?

thanks!
I don't know the context in which you are asking this. If this is concerning the action o insulin, we don't need insulin to go inside the cytosol, because it binds to specific receptors on the cell surface, initiates a cascade of molecular signalling pathways that ultimately regulate glucose. Can you specify more clearly what you are asking about?
0
reply
Asklepios
  • Study Helper
Badges: 19
Rep:
?
#3
Report 7 years ago
#3
(Original post by scarlet-dancer)
"Suggest why there are no channels for insulin release across the membrane" [2m]

Anyone knows how to answer this?

thanks!
Also not exactly sure what you mean. I guess you mean insulin release from beta cells, and why there aren't any membrane channels for insulin to be secreted through?

If so, remember that insulin and all other hormones are secreted through exocytosis in the ER-Golgi pathway - vesicles and all that so there is no need for channels.

In fact pretty much all cellular secretion occurs through secretory vesicles from the Golgi, the exception being certain growth factors and cytokines.


Posted from TSR Mobile
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

Poll: What factors affect your mental health most right now? Post-lockdown edition

Anxiousness about restrictions easing (36)
5.61%
Uncertainty around my education (75)
11.68%
Uncertainty around my future career prospects (71)
11.06%
Lack of purpose or motivation (81)
12.62%
Lack of support system (eg. teachers, counsellors, delays in care) (37)
5.76%
Impact lockdown had on physical health (37)
5.76%
Social worries (incl. loneliness/making friends) (68)
10.59%
Financial worries (41)
6.39%
Concern about myself or my loves ones getting/having been ill (26)
4.05%
Exposure to negative news/social media (38)
5.92%
Difficulty accessing real life entertainment (18)
2.8%
Lack of confidence in making big life decisions (62)
9.66%
Worry about missed opportunities during the pandemic (52)
8.1%

Watched Threads

View All
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise