Question 1-4 of 11: Lipid Bilayer and Membrane Protein Diffusion (Membrane Structure and Function) | SWAYAM Cell Biology | Includes PYQs | Get Solutions with Detailed Explanations
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Question 1
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2016
Labelling of membrane spanning domain of any integral membrane protein in a given plasma membrane vesicle (without disrupting its structure) is successfully carried out by (June)
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Limited proteolysis followed by metabolic labelling. | |
b. | Hydrophobic photoaffinity labelling. | |
c. | Metabolic labelling with radioisotopes. | |
d. | Immunochemical methods. | |
Question 2
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2017
Junctions which tether cytoskeletal filaments inside the cell are known as (December)
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Occluding junctions | |
b. | Anchoring junctions | |
c. | Channel – forming junctions | |
d. | Signal – relaying junctions | |
Question 3
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2022
In eukaryotic cells, covalently attached lipids help to anchor some water-soluble proteins to the plasma membrane. One group of cytosolic proteins are anchored to the cytosolic face of membrane by a fatty acyl group (e. g. myristate or palmitate). These groups are generally covalently attached to which amino acids present at the N-terminus of the polypeptide chain?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Serine | |
b. | Glycine | |
c. | Tyrosine | |
d. | Lysine | |
Question 4
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2016
Lateral diffusion of proteins in membrane can be followed and diffusion rate calculated by (June)
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Atomic force microscopy | |
b. | Scanning electron microscopy | |
c. | Transmission electron microscopy | |
d. | FRAP | |