(C) Porins are large transport proteins that form large pores in the outer membranes of plastids,mitochondria,and some bacteria. These pores allow mol

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(C) Porins are large transport proteins that form large pores in the outer membranes of plastids,mitochondria,and some bacteria. These pores allow molecules up to the size of small proteins to pass through the membrane. Since they are composed of amino acid chains,they are classified as proteins.

Class 11 Biology Cell: The Unit of Life Cell membrane

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What are porins?

A
Lipids
B
Carbohydrates
C
Proteins
D
Vitamins

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Class 11 Questions

Class 11

Biology Questions

Chapter

Cell: The Unit of Life

Subtopic

Cell membrane

Which concept was proposed by the scientist Robertson?

Easy

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The plasma membrane and the membranes of organelles are primarily composed of which substance?

Easy

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Assertion : $A$ cell membrane shows fluid behaviour.
Reason : $A$ membrane is a mosaic or composite of diverse lipids and proteins.

MediumAIIMS 2003

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Desmosomes are associated with which of the following?

EasyAIPMT 1995

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$A$: $RBC$ membrane is highly flexible.
$R$: Amount of external protein in the cytoplasmic face of the membrane is more.

Medium

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What are porins?

Similar Questions

Which concept was proposed by the scientist Robertson?

The plasma membrane and the membranes of organelles are primarily composed of which substance?

Assertion : $A$ cell membrane shows fluid behaviour.Reason : $A$ membrane is a mosaic or composite of diverse lipids and proteins.

Desmosomes are associated with which of the following?

$A$: $RBC$ membrane is highly flexible.$R$: Amount of external protein in the cytoplasmic face of the membrane is more.

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Assertion : $A$ cell membrane shows fluid behaviour.
Reason : $A$ membrane is a mosaic or composite of diverse lipids and proteins.

$A$: $RBC$ membrane is highly flexible.
$R$: Amount of external protein in the cytoplasmic face of the membrane is more.