Question

Membrane fluidity is largely determined by: A. saturation of fatty acid components of phospholipids. B. percentage...

Membrane fluidity is largely determined by: A. saturation of fatty acid components of phospholipids. B. percentage of protein in the membrane. C. permeability of the membrane to water. D. attachments to the cytoskeleton.

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

A. saturation of fatty acid components of phospholipids

fluidity of a membrane determined by the ratio of (poly)unsaturated to saturated fatty acyl chains of its phospholipids influences the effectiveness of glucose transport by insulin-independent glucose transporters (GLUTs) and the insulin-dependent GLUT4, and from the prediabetic stage on a shift from unsaturated towards saturated fatty acyl chains of membrane phospholipids directly induces a decrease in glucose effectiveness and insulin sensitivity.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The selective permeability of a membrane refers to: Select one: a. The relative fluidity of the...
The selective permeability of a membrane refers to: Select one: a. The relative fluidity of the lipid bilayer under different conditions. b. The movement of a molecule from an area of greater concentration to an area of lesser concentration. c. The ability of only certain molecules to pass across a membrane. d. The ability to recognize and/or attach to select extracellular components.
The lipid bilayer that makes up a cell membrane is composed of molecules like phospholipids that...
The lipid bilayer that makes up a cell membrane is composed of molecules like phospholipids that are synthesized from fatty acids. A phospholipid membrane undergoes a phase transition from solid-like to fluid-like when the temperature is raised above a melting temperature. What can cause the melting temperature of a membrane to increase making it more solid-like at higher temperatures? Select all that apply. A. increasing the fraction of cis unsaturated fatty acids that make up the phospholipids B. increasing cholesterol...
In cold temperatures, organisms will: a. Increase the double bonds in membrane fatty acids. b. Decrease...
In cold temperatures, organisms will: a. Increase the double bonds in membrane fatty acids. b. Decrease double bonds in the membrane fatty acids. c. Decrease the length of the fatty acid chains in the membrane. d. None of the above.
Membrane potential refers to... A. a difference in phospholipids B. a difference in charge on the...
Membrane potential refers to... A. a difference in phospholipids B. a difference in charge on the two sides of a membrane C. what a membrane is capable of doing D. both A and B
8. Which of the following statements about phospholipids is true? a. A phospholipid may have a...
8. Which of the following statements about phospholipids is true? a. A phospholipid may have a net neutral charge. b. To make a phospholipid from a triglyceride one must simply remove two fatty acid tails from the triglyceride and add a phosphate group and a head group instead. c. The shorter the fatty acid tails of phospholipids that make up a plasma membrane, the less permeable the membrane will be. d. A phospholipid’s amphipathic nature means it has a negative...
Why is a membrane made up of an unsaturated fatty acid bilayer more fluid than a...
Why is a membrane made up of an unsaturated fatty acid bilayer more fluid than a bilayer composed of saturated fatty acids? A. There is a stronger hydrophilic force betweent eh fatty acid tails of the unsaturated fatty acids. B. There is more room for movement due to a lesser amount of van der Waals forces between the fatty acid tails C. Unsaturated faty acids are not more fluid than saturated fatty acids. D. The longer fatty acid tails have...
1. What highly unsaturated fatty acid is synthesized from the fatty acid linoleic acid and is...
1. What highly unsaturated fatty acid is synthesized from the fatty acid linoleic acid and is a precursor for the synthesis of prostaglandins? A. Arachidonic acid B. Oleic acid C. Linolenic acid D. Stearic acid 2. The glycosphingolipid that accumulates in the nervous system of affected Tay-Sachs individuals is A. Phosphatidylcholine B. GM2 C. Sphingomyelin D. Ceramide E. Sphingosine 3. Fatty acids generally contain how many carbon atoms? A. 6 B. An even number C. 12 D. An odd number...
Cell Biology Multiple Choice 1. Which of the following size relationships is most correct? A: The...
Cell Biology Multiple Choice 1. Which of the following size relationships is most correct? A: The membrane of a vesicle> E. Coli > mitochondria B: Yeast cell > E.Coli > epithelial cell C: mitochondria > vesicle > plasma membrane (thickness) D: Oocyte > sperm (head) > epithelial cell E: Oocyte > E.Coli > Yeast cell 2. Which of the following processes can be readily studied in the budding yeast Saccaromyces cerevisae? A: Heart development B: Protein transport C: Immune response...
Phospholipids can self-assemble into a structure that is an important cellular component. This consists of A.  ...
Phospholipids can self-assemble into a structure that is an important cellular component. This consists of A.   a sphere with the phosphate facing out and the fatty acid facing in B.   a monolayer with the phosphate facing out and the fatty acid facing in C.   a bilayer with fatty acids in the interior and phosphate facing the water D.   alternating layers of phosphate and fatty acids E.   large globular structures
The common precursor molecule of both membrane phospholipids and triacylglycerols is: A. phosphatidate B. inositol C....
The common precursor molecule of both membrane phospholipids and triacylglycerols is: A. phosphatidate B. inositol C. serine D. CDP
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT