PATHOPHYSIOLOGY III.pdf
PATHOPHYSIOLOGY III
| Complete Exam Study
Guide, Practice Questions,
Answers & ATI Review
Material
, PATHOPHYSIOLOGY III
PATHOPHYSIOLOGY III.pdf
Study online at https://quizlet.com/_hofe5s
1. What is the fluid mosaic A model that describes biological membranes as a two-dimensional liquid
model? in which lipid and protein molecules diffuse easily.
2. What are the main Lipid bilayer, proteins, carbohydrates, and cholesterol.
components of a cell
membrane?
3. What is the role of lipids They act as a barrier to water and water-soluble substances, organized in
in the cell membrane? a bilayer.
4. What types of proteins Integral proteins (channels, pores, carriers, enzymes) and peripheral
are found in the cell proteins (enzymes, intracellular signal mediators).
membrane?
Provide "specificity" to a membrane.
5. What is the function They are involved in cell-cell attachments/interactions and contribute to
of carbohydrates in the the negative charge that repels other negative charges. (Glycocalyx)
cell membrane?
6. How does cholesterol Cholesterol generally decreases membrane fluidity and permeability,
affect membrane fluid- while increasing membrane stability. Hydrophobic.
ity?
7.
PATHOPHYSIOLOGY III
| Complete Exam Study
Guide, Practice Questions,
Answers & ATI Review
Material
, PATHOPHYSIOLOGY III
PATHOPHYSIOLOGY III.pdf
Study online at https://quizlet.com/_hofe5s
1. What is the fluid mosaic A model that describes biological membranes as a two-dimensional liquid
model? in which lipid and protein molecules diffuse easily.
2. What are the main Lipid bilayer, proteins, carbohydrates, and cholesterol.
components of a cell
membrane?
3. What is the role of lipids They act as a barrier to water and water-soluble substances, organized in
in the cell membrane? a bilayer.
4. What types of proteins Integral proteins (channels, pores, carriers, enzymes) and peripheral
are found in the cell proteins (enzymes, intracellular signal mediators).
membrane?
Provide "specificity" to a membrane.
5. What is the function They are involved in cell-cell attachments/interactions and contribute to
of carbohydrates in the the negative charge that repels other negative charges. (Glycocalyx)
cell membrane?
6. How does cholesterol Cholesterol generally decreases membrane fluidity and permeability,
affect membrane fluid- while increasing membrane stability. Hydrophobic.
ity?
7.
