
Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Question
Answer both of them please,

Transcribed Image Text:DIRECTIONS:
1. On the cholesterol molecule, label the region that would
be embedded in the membrane (by the phospholipids'
hydrophobic tails) and the region that would be sticking
out of the membrane (by the phospholipids' hydrophilic
heads).
CH3 CH2 CH2 CH3
CH CH2 CH
CH3
CH3
2. On diagrams where integral proteins are shown, label
the hydrophobic and hydrophilic regions.
CH3
3. Label all glycoproteins.
Inner
membrane
но
surface
4. Label the only glycolipid.
5. Label the peripheral protein.
6. Label the following on the diagram showing the six
different functions of cell membrane proteins: a
selective transport channel, a cell surface receptor, cell
adhesion, cell surface identity marker, enzyme, and
attachment to the cytoskeleton.
Extracellular milieu
Cytosol
Cell membrane

Transcribed Image Text:2.2 FLUID-MOSAIC
MODEL
Component
Location
Procertlas (hydrophobic/hydrophilic)
Function
Phospholipids
Cholesterol
Integral Proteins
Peripheral Proteins
Carbohydrates
glycoprotein
integral membrane protein
peripheral membrane protein
phospholipid bilayer
glycolipid
protein channel
cholesterol
Cytoskeletal filaments
Expert Solution
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