Why Cell Biology is Different From Histology - PowerPoint PPT Presentation

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Why Cell Biology is Different From Histology

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Why Cell Biology is Different From Histology Electron Micrographs: What can we see and tell? CBI Liver Cell View 4 CBI Liver Cell View 5 – PowerPoint PPT presentation

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Title: Why Cell Biology is Different From Histology


1
Why Cell Biology is Different From Histology
2
Live images What can we see?
CBI 1.1 Dancing Keratocyte
What do these two approaches tell us about cells
their properties and their components?
3
Biological Membranes
A) Where are they found? B) What are their
functions? C) What are their major components?
4
Lipids
All lipids have same general chemical structure
polar head group and nonpolar hydrocarbon tails
Types of lipids?
Types of lipids in biomembranes?
Fig 10-2 see also CBI 10.2
5
Cholesterol
Fig 10-10 CBI 10-2
6
How do lipids form membranes?
Combination of shape and packing
Role of hydrocarbon tails?
7
What is the role of cholesterol?
8
Why is the structure of a biological membrane
important?
Fig 10-14
Why is a biological membrane more similar to a
house than it is to a fence? (Think about on
break)
9
What else is in biological membranes?
10
Membrane Proteins
Transmembrane/Integral or Peripheral
What functions would require each category of
membrane protein?
11
Membranes define organelles.How?
12
Covered
Biological membranes where they are found their
chemical components how the components are
arranged properties and functions of membranes
13
Next
Membrane dynamics Fluid Mosaic Model Lipid
Rafts Types and functions of organelles Introduct
ion to Graves Disease
14
Reminders
Survey due by Friday 5pm Lab quiz due by 10pm
Monday
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