Home
Class 12
BIOLOGY
Assertion :- Proteins of plasma membrane...

Assertion :- Proteins of plasma membrane show lateral movement within overall bilayer.
Reason:- Lipids of plasma membrane show quasifluid nature and enables lateral movement of proteins within overall bilayer.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False

D

If both Assertion & Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CELL THE UNIT OF LIFE

    MOTION|Exercise Excercise - 3 AIPMT & NEET Previous Year Questions|58 Videos

  • CELL CYCLE AND CELL DIVISION

    MOTION|Exercise Exercise - 4(AIIMS - 2018)|28 Videos

  • CHEMICAL COORDINATION AND INTEGRATION

    MOTION|Exercise Exercise - 4 AIIMS | Assertion & Reason Questions|44 Videos

Similar Questions

Explore conceptually related problems

According to "Fluid Mosaic Model",, the quasi-fluid nature of (a) enables the lateral movement of (b)____ within the bilayer.

Read the following statements carefully - (A) The lipid component of the plasma membrane mainly consists of phosphoglycerides. (B) Polar molecules can pass through the lipid bilayer of the plasma membrane, therefore they do not require carrier proteins to facilitate their transport. (C ) The secondary wall is capable of growth and it is formed on the outer side of the primary wall. (D) Quasifluid nature of lipid enables the lateral movement of proteins within the overall lipid bilayer of the plasma membrane. (E) Middle lamella glues the different neighbouring cells together. How many statements are incorrect?

Assertion : the quasifluid nature of lipid enables lateral movement pof proteins within the overall bilayer. Reason : This ability to move within the membrane is called fluidity and is important for cell growth.

(a.) Small , circular non - history DNA also present in mitochondria and chloroplast. (b.) The extension of plasma membranes mesosomes into, the cell can be present in the form of tubules , lamellae and vesicles. (c.) The quasi fluid natural of lipid enables flip flop movement of proteins at a specific place. (d.) Components of the endomembrane system associated with secretion , packaging of material and capable of digestion of several macro organic compounds. (e.) Palade particles forming a peptide bond between amino acids is a membrane - bounded organelle.

Assertion :- Cholesterol confers stability to eukaryotic plasma membrane. Reason:- Cholesterol is most abundant lipid in plasma membrane.

(i) Mitochondria and chloroplasts possess small and circular non-histones DNA. (ii) Mesosomes are extension of plasma membrane . (iii) Quasi fluid natural of lipid enables flip flop movement of Proteins at specific place . (iv) Components of endomembrane system associated with secretion , packaging of material and capble of digestion of several macro organic compounds . From given , incorrect statement is / are

According to the find mosaic model , the quasi-fluid nature of lipid enables lateral movement of protein within the overall, lipid bilayer. This ability to move a within the membrane is measured as its

Assertion- Transmembrane proteins penetrate the lipid bilayer. Reason- Extrinsic proteins are loosely bound to lipid layers.

MOTION-CELL THE UNIT OF LIFE-Excercise - 4 AIIMS | Assertion & Reason Questions
  1. Assertion:- All the organelles of eukaryotic cells are surrounded by e...

    Text Solution

    |

  2. Assertion :- In plasma membrane non polar tails of fatty acids is prot...

    Text Solution

    |

  3. Assertion :- Proteins of plasma membrane show lateral movement within ...

    Text Solution

    |

  4. Assertion :- Primary wall constituent of the cell wall is not of persi...

    Text Solution

    |

  5. Assertion :- Endoplasmic reticulum, golgibody, lysosome and vacuoles a...

    Text Solution

    |

  6. Assertion :- Endoplasmic reticulum leads to dual compartmentalisation ...

    Text Solution

    |

  7. Assertion :- Rough endoplasmic reticulum is the precursor of smooth en...

    Text Solution

    |

  8. Assertion :- Golgi apparatus remains in close association with endopla...

    Text Solution

    |

  9. Assertion :- Vacuoles are osmoregulatory components of cell. Reason:...

    Text Solution

    |

  10. Assertion :- Mitochondrial lumen is distinctly divided into two aqueou...

    Text Solution

    |

  11. Assertion :- Chloroplast, chromoplast and leucoplasts are variable for...

    Text Solution

    |

  12. Assertion :- Ribosomes are structural entity which take part in expres...

    Text Solution

    |

  13. Assertion:- Centrioles are essential for mintenance of confinuity of c...

    Text Solution

    |

  14. Assertion :- Nucleus is the organised structure remains surrounded by ...

    Text Solution

    |

  15. Assertion :- Every chromosome essentially has a primary constriction o...

    Text Solution

    |

  16. Assertion :- Metacentric chromosomes attain 'V' shaped appearance duri...

    Text Solution

    |

  17. Assertion :- Anton Von Leeuwenhoek first saw and described a live cell...

    Text Solution

    |

  18. Assertion :- Primary wall is capable of growth. Reason:- It diminish...

    Text Solution

    |

  19. Assertion :- Endomembrane system includes ER, golgi complex, lysosome ...

    Text Solution

    |

  20. Assertion :- Lampbrush chromosomes are found in Oocytes of some animal...

    Text Solution

    |