7.Lipids_Membrane_Function_ANGEL_2011

7.Lipids_Membrane_Function_ANGEL_2011 - Lipids and...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Lipids and Membranes; Function Ch. 7 pp. 125 -130 “Living beings are traversed by a triple flux of matter, energy and information.” In Flies,Mice and Men Francois Jacob, French Nobel laureate in molecular genetics.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
I. Membrane structure: all are made of a phospholipid bilayer with proteins embedded (integral proteins) or attached to the surface (peripheral proteins). This arrangement is called the _____ ______ model. Generally which of the 3 types of amino acid would you expect to be touching the phospholipid tails? What bonds form there?
Background image of page 2
Which bonds would be between the phospholipid tails and the transmembrane protein? A. Peptide bonds. B. Ester bonds. C. Van der Waals forces. D. Hydrophilic bonds. E. Hydrogen bonds.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Evidence for the fluid mosaic model is that freeze- fracture studies show embedded proteins.
Background image of page 4
Evidence for the fluidity (movement) is shown by tracing movements of fluorescently labeled integral proteins. Not an accurate representation because there are many membrane proteins
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/03/2012 for the course BS 111 taught by Professor Patterson during the Spring '05 term at Michigan State University.

Page1 / 18

7.Lipids_Membrane_Function_ANGEL_2011 - Lipids and...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online