Bissoy.com
Doctors Medicines MCQs Q&A

The lipid bilayer presents a distinctive two-dimensional hydrophobic environment for membrane proteins.

The lipid bilayer presents a distinctive two-dimensional hydrophobic environment for membrane proteins. Correct Answer True

The above statement is true. The lipid bilayer presents a distinctive two-dimensional hydrophobic environment for membrane proteins. Many membrane proteins contain segments that are embedded within the hydrophobic core of the phospholipid bilayer.

Related Questions

Which of the following statements are correct regarding the general difference between cell and nuclear membranes? 1. A cell membrane occurs in both Eukaryotes and Prokaryotes while a Nuclear membrane occurs only in Eukaryotes.  2. Both cell membrane and nuclear membrane persists throughout the lifetime of a cell. 3. The main feature of the nuclear membrane is the presence of two lipid bilayer structures while a cell membrane has single lipid bilayer structures. Select the correct answer using the code given below.
Which of the following statements are true in case of fluid-mosaic model for cell membrances
P. Between 5 - 8 nm thick and appear trilaminar when viewed in cross-section under electron microscope
Q. Less than 1 nm thick and consist of a layer of protein sandwitched between two layers of phospholipids
R. In the lipid bilayer, proteins are embedded at irregular intervals and held by hydrophilic interactions between lipids and hydrophilic domains of the proteins
S. The protein domains exposed on one side of the lipid bilayer are different from those exposed on the other side
With reference to Plasma Membrane, considering the following statements: 1. flexibility of the cell membrane also enables the cell to engulf in food and other material from its external environment. 2. The cell membrane consists of a lipid bilayer that is impermeable. Which of the statements given above is/are correct?
When electroporation is used for introducing DNA into mammalian cell
P. A carrier for DNA is not required.
Q. The lipid bilayer (membrane) interacts with an electric pulse to generate permeation sites.
R. The viability of the cell becomes approximately zero percent.
S. The first step involves absorption of DNA on the cell membrane.
Which of the following type of proteins do not directly contact the hydrophobic core of the phospholipid bilayer?
Extrinsic proteins are held tightly to the lipid bilayer.
The polypeptide chain of lipid anchored proteins itself enter the phospholipid bilayer.
Which of the following proteins are involved in the transport of certain substances across lipid bilayer?
Which cell theory proved that the quasi-fluid nature of lipid enables lateral movement of proteins within the overall bilayer?
The ___________ the degree of unsaturation of the fatty acids of the bilayer, the ___________ the temperature before the bilayer gels.