What are interferons? How do interferons | Class 12 Biology Chapter Human Health and Disease, Human Health and Disease NCERT Solutions

Question:

What are interferons? How do interferons check infection of new cells?

Answer:

Interferons are the antiviral proteins produced by the cells when invaded by a virus. These are released from infected and dying host cells. On reaching the nearby uninfected cells, it makes them resistant to the viral infection by the formation of certain proteins which prevent viral multiplication.

1
0
0
Report?

Report a problem on Specifications:

Email id:

Comments

< Previous Question

Next Question >

Popular questions of class 12 Biology

Q: What is spermatogenesis? Briefly describe the process of spermatogenesis.

Q: Why is reproduction essential for organisms? Answer

Q: Write a short note on
(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals.

Q: With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.

Q: What is DNA fingerprinting? Mention its application.

Q: Describe the structure of a seminiferous tubule.

Q: What is oogenesis? Give a brief account of oogenesis.

Q: What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

Q: With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.

Q: Explain the Law of Dominance using a monohybrid cross.

Recently Viewed Questions of Class 12 Biology

Q: What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

How is a mature, functional insulin hormone different from its prohormone form?

Q: Describe the post-fertilization changes in a flower.

Q: Define and design a test − cross?

Q: Give an example for:
(a) An endothermic animal
(b) An ectothermic animal
(c) An organism of benthic zone

Q: Define decomposition and describe the processes and products of decomposition.

Q: What is the significance of the slope of regression in a species − area relationship?

Differentiate between active immunity and passive immunity.

A species-area curve is drawn by plotting the number of species against the area. How is it that when a very large area is considered the slope is steeper than that for smaller areas

What is Red Data Book?

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Human Health and Disease.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 8: What are interferons? How do interferons check infection of new cells?....

What are interferons? How do interferons | Class 12 Biology Chapter Human Health and Disease, Human Health and Disease NCERT Solutions

< Previous Question

Next Question >

Popular questions of class 12 Biology

Recently Viewed Questions of Class 12 Biology

Study Tips for Answering NCERT Questions:

Comments

Comment(s) on this Question

Chapters for Class 12 Biology

Subjects for Class 12

Students Also Read

Important links

Quick Links

Resources

Support