Question
Sandwich model was proposed in the year ________.
- 1925
- 1935
- 1945
- 1955
Hint:
The sandwich model was proposed in the year 1935.
The correct answer is: 1935
- Danielli and Davson in the year 1935 proposed a sandwich model of the plasma membrane.
- The model explains that the plasma membrane has a layer of phospholipid in between two protein layers that look like a sandwich.
- The model is also called a lipo-protein sandwich.
Related Questions to study
______ is also called a cell membrane.
______ is also called a cell membrane.
_____ is present between the cytoplasm and cell wall in a plant cell.
_____ is present between the cytoplasm and cell wall in a plant cell.
Which of the following proteins are embedded in the membrane?
Which of the following proteins are embedded in the membrane?
The components of the unit membrane are _______.
The components of the unit membrane are _______.
In Danielli and Davson's model (Sandwich model), the polar end is denoted by:
In Danielli and Davson's model (Sandwich model), the polar end is denoted by:
Which of the following helps in the transport of material across the membrane?
Which of the following helps in the transport of material across the membrane?
Cell membrane is a part of_________.
Cell membrane is a part of_________.
A plasma membrane shows fluid behaviour _____
The plasma membrane is semi-permeable in nature. It allows only certain molecules to enter the cell.
A plasma membrane shows fluid behaviour _____
The plasma membrane is semi-permeable in nature. It allows only certain molecules to enter the cell.
What is ‘X’ in the diagram given below?
The peripheral membrane protein provides mechanical support to the membrane.
What is ‘X’ in the diagram given below?
The peripheral membrane protein provides mechanical support to the membrane.
In plasma membrane, carbohydrates are attached to _____.
The lipids in the plasma membrane consisting of one hydrophobic and one hydrophilic end.
In plasma membrane, carbohydrates are attached to _____.
The lipids in the plasma membrane consisting of one hydrophobic and one hydrophilic end.
Glycolipids are_______.
In plant cells, glycolipids help in the formation of the membrane of chloroplast and in animal cells, it helps to determine the different types of blood group.
Glycolipids are_______.
In plant cells, glycolipids help in the formation of the membrane of chloroplast and in animal cells, it helps to determine the different types of blood group.
Plasma membrane _________.
There are certain transport proteins present in the cell membrane which help in the transportation of molecules across it.
Plasma membrane _________.
There are certain transport proteins present in the cell membrane which help in the transportation of molecules across it.
Which of the following is lipid component present in cell membrane?
The hydrophobic tail of phospholipid is attached to the rigid layer of the cholesterol.
Which of the following is lipid component present in cell membrane?
The hydrophobic tail of phospholipid is attached to the rigid layer of the cholesterol.
What is the name of the part A in the diagram given below?
The phospholipid bilayer has integral proteins embedded in its structure.
What is the name of the part A in the diagram given below?
The phospholipid bilayer has integral proteins embedded in its structure.
Transport proteins, transport molecules by _________.
There are three types of transport - uniport, symport, antiport. Uniport is the transportation of a single molecule. Symport is the movement of two molecules in the same direction whereas antiport is the movement of two molecules in different directions.
Transport proteins, transport molecules by _________.
There are three types of transport - uniport, symport, antiport. Uniport is the transportation of a single molecule. Symport is the movement of two molecules in the same direction whereas antiport is the movement of two molecules in different directions.
