World's only instant tutoring platform
dropdown-logo
Become a tutorPartnershipsAbout usStudent loginTutor login
About us
Login
App StorePlay Store
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
What are porins? What role do they play in diffusion?
Biology
Biology

Class 11

NCERT

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

11 questions

arrow
2

Chapter 2: Biological Classification

12 questions

arrow
3

Chapter 3: Plant Kingdom

12 questions

arrow
4

Chapter 4: Animal Kingdom

15 questions

arrow
5

Chapter 5: Morphology of Flowering Plants

15 questions

arrow
6

Chapter 6: Anatomy of Flowering Plants

12 questions

arrow
7

Chapter 7: Structural Organization in Animals

14 questions

arrow
8

Chapter 8: Cell: The Unit of Life

14 questions

arrow
9

Chapter 9: Biomolecules

15 questions

arrow
10

Chapter 10: Cell Cycle and Cell Division

16 questions

arrow
11

Chapter 11: Transport in Plants

16 questions

Q1
What are the factors affecting the rate of diffusion?
Q2
What are porins? What role do they play in diffusion?
Q3
Describe the role played by protein pumps during active transport in plants.
View all question
12

Chapter 12: Mineral Nutrition

10 questions

arrow
13

Chapter 13: Photosysnthesis in Higher Plants

9 questions

arrow
14

Chapter 14: Respiration in Plants

12 questions

arrow
15

Chapter 15: Plant Growth and Development

11 questions

arrow
16

Chapter 16: Digestion and Absorption

15 questions

arrow
17

Chapter 17: Breathing and Exchange of Gases

14 questions

arrow
18

Chapter 18: Body Fluids and Circulation

14 questions

arrow
19

Chapter 19: Excretory Products and their Elimination

12 questions

arrow
20

Chapter 20: Locomotion and Movement

10 questions

arrow
21

Chapter 21: Neural Control and Coordination

12 questions

arrow
22

Chapter 22: Chemical Coordination and Integration

9 questions

arrow
Question
Easy
Timing Icon

Solving time: 3 mins

What are porins? What role do they play in diffusion?

Views

Views: 5,723 students

Updated on: Mar 15, 2023

Book

Book:

Biology (NCERT)

tutor 0tutor 1tutor 2
Found 5 tutors discussing this question
Sebastian Discussed
What are porins? What role do they play in diffusion?
6 mins ago
Discuss this question LIVE
6 mins ago

Text SolutionText solutionverified iconVerified

The porins are proteins that form huge pores in the outer membranes of the plastids, mitochondria and some bacteria allowing molecules up to the size of small proteins to pass through. Thus they play an important ‘ role in facilitated diffusion.
Was this solution helpful?
44
Share
Report
Video Solution

Filo tutor solutions (1)

Learn from their 1-to-1 discussion with Filo tutors.

filo Logo
1 mins

Uploaded on: 3/15/2023

Ask your question, on a video call with tutor

Connect instantly with this tutor

Connect now

Taught by

tutor profile picture
Kumud Chandra Jha

Total classes on Filo by this tutor - 4,915

Teaches : Biology, Physical Chemistry, Organic Chemistry

Connect instantly with this tutor

Connect now

Was this solution helpful?
65
Share
Report
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice more questions from Biology (NCERT)

Q1
What are the factors affecting the rate of diffusion?
Q2
What are porins? What role do they play in diffusion?
Q3
Describe the role played by protein pumps during active transport in plants.
View all

Practice questions from Biology (NCERT)

Question 1
Easy
Views

Views: 6,268

What causes the opening and closing of guard cells of stomata during transpiration?
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View 3 solutions

Question 2
Easy
Views

Views: 6,018

Describe the role played by protein pumps during active transport in plants.
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View 3 solutions

Question 3
Easy
Views

Views: 6,051

What essential role does the root endodermis play during mineral absorption in plants?
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View solution

Question 4
Medium
Views

Views: 6,021

Explain pressure flow hypothesis of translocation of sugars in plants.
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View 2 solutions

View more

Practice more questions from Transport in Plants

Question 1
Medium
Views

Views: 5,773

Given below is a table. Fill in the gaps.
Topic

Topic:

Transport in Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

View solution

Question 2
Easy
Views

Views: 5,466

Loss of water in liquid phase (in form of droplets) from the margin of leaves in many herbaceous plants is
  1. Guttation
  2. Root pressure
  3. Transpiration
  4. Transpiration pull
Topic

Topic:

Transport in Plants

View 3 solutions

Question 3
Easy
Views

Views: 6,009

Exudaton of xylem is due to
  1. Passive absorption
  2. Root pressure
  3. Guttation
  4. Present of transpiration
Topic

Topic:

Transport in Plants

Book

Book:

Biology-for-NEET-Volume-1-Class-XI

View solution

Question 4
Medium
Views

Views: 5,979

Which of them is/are correct regarding pressure flow model for translocation?
I. Sugar is transported through phloem as glucose
II. Movement of sugar is carried out through sieve tube near the source region
III. Concentration of sugar is always highest near the sink region
IV. Water from the adjacent xylem moves into phloem by osmosis
  1. II and IV
  2. II and III
  3. I, II and III
  4. Only IV
Topic

Topic:

Transport in Plants

View solution

Practice questions on similar concepts asked by Filo students

Question 1
Views

Views: 5,812

Bovine spongiform encephalopathy in cattles is the most notable disease caused by
  1. Viroids
  2. Virusoids
  3. Prions
  4. bacteriophage
Topic

Topic:

Diversity in the Living World

View solution

Question 2
Views

Views: 5,774

In the ladder analogy of the DNA molecule, the "steps of the ladder are..... Sugars O Joined sugar and phosphate O Paired nitrogen bases
Topic

Topic:

Biology

View solution

Question 3
Views

Views: 5,637

tional groups from the table provided below
Topic

Topic:

Biology

View solution

Question 4
Views

Views: 5,423

What is the best answer: Which of the following statements is true in the context of hypersensitivity A. Type 1 hypersensitivity is caused as a result of the presence of small, soluble allergens B. Type 2 hypersensitivity can be treated by blocking IgE antibodies C. Type 3 hypersensitivity is caused by the presence of large protein complexes (antigen-antibody) D. Type 4 hypersensitivity is caused by the presence of large protein complexes (antigen-antibody) E. Answers (a) and (b) are correct F. Answers (c) and also (d) are correct G. Answers (a) and (c) are correct H. Answers (b) and also (c) are correct I. Answers (a) and also (d) are correct J. Answers (b) are also (d) correct
Topic

Topic:

Biology

View solution

View more
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our Biology tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Related books for questions on Transport in Plants

next icon
next icon
Question Text
What are porins? What role do they play in diffusion?
Updated OnMar 15, 2023
TopicTransport in Plants
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes109
Avg. Video Duration1 min