Textbook Notes (368,419)
Canada (161,877)
Biology (396)
BI110 (214)
Chapter 5

Chapter 5 - Membranes and Transport.docx

16 Pages
66 Views
Unlock Document

Department
Biology
Course
BI110
Professor
Matthew Smith
Semester
Fall

Description
Chapter 5 Membranes and TransportWhy it mattersMutation in CFTR gene encodes chloride pump cause cystic fibrosis Overview of the Structure of MembranesThe importance of selectively permeable membranes The fluid mosaic model of membranesExperimental evidence in support of the fluid mosaic The importance of selectively permeable membranes Cells and organelle need barrier to separate internal and external conditions Barrier must have following qualitieso Impermeable to most molecules and ions o Ability to exchange moleculesions between compartments allows waste to leave the cell and food to enter the cello Insoluble in water o Permeable to waterThe functions of membranesWhat is a cell membraneA permeability barrier that consists of o Phospholipids glycolipids and membrane proteins o Sterols except in bacteriaCholesterol animalsErgosterols fungiPhytosterols plants Membrane proteins includeo Integral proteins usually transmembrane o Peripheral membrane proteinsFluid Mosaic model of the Cell Membrane Membrane is fluid not rigidProteins can diffuse through the membrane not fixed in one particular place Fluid Mosaic Model is Supported by Experimental Evidence Membranes are Fluid
More Less

Related notes for BI110

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit