Summary
Summary Topic 2 Cystic Fibrosis
- Course
- Institution
Edexcel Biology Topic 2 Cystic Fibrosis, Mucus Production, CFTR protein.
[Show more]
Seller
Follow
milosmithnotes
Content preview
Cystic FibrosisMucus -
When there is excess water in the mucus
regulation
S.I units
. Sodium
1 ions are pumped out of the epithelial cell via basal
membrane into the tissue fluid vic active transport
.
Reduces concentration of sodium ions in .
cell
2
. Concentration
gradient formed between mucus and inside cell.
Facilitated
Sodium
diffusion of ions via a channel protein
in the apical membrane into the epithelial cell reduces ions
Concentration in the Mucus
. Positive
3 tissue
fluid. Electrical gradient
charge resides in the .
Chloride Cli down the
ions , move
gradient to the tissue
fluid
4. More
solute in the tissue fluid which decrease the water
potential in tissue fluid
. Vic Osmosis water
diffuses out
of the cell
down the concentration
gradient lowering the water potential
in the cell
3 .
Higher water potential in the mucus due to lower solutes
means via osmosis water
diffuses from murus into the
epithelial cell -
-
Mucus becomes more viscous
, S.I units
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller milosmithnotes. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.76. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
59804 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 15 years now