TLS 
Triyambak Life Sciences

Nurturing Life Sciences

TLS Online

Nurturing Life Sciences

Store
Login

Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1715
TLS Online TPP Program

#Question id: 1740


Activation of resting B-cells by T-helper cells depends directly upon costimulatory interaction between:

#Unit 4. Cell Communication and Cell Signaling
  1. CD40 and CD40L

  2. B7 and CD28

  3. B7 and CTLA-4

  4. CD4 and MHC class II


Answer:- Option(s): 1


To access the video solutions, Please subscribe TPP program.

Subscribe Now 
More Questions
TLS Online TPP Program

#Question id: 12794

#Unit 10. Ecological Principles

An area in which different terrestrial biomes grade into each other is known as a(n)

TLS Online TPP Program

#Question id: 11242

#Unit 10. Ecological Principles

A disadvantage of sexual reproduction is

TLS Online TPP Program

#Question id: 985

#Unit 1. Molecules and their Interaction Relevant to Biology

 In the pyrimidine ring system, what is the source of the carbons 4,5 and 6 during the de novo biosynthesis of pyrimidines?

TLS Online TPP Program

#Question id: 1922

#Unit 4. Cell Communication and Cell Signaling

A B-cell lymphoma will express a unique tumor antigen called:

TLS Online TPP Program

#Question id: 3040

#Unit 2. Cellular Organization

Which of the following is electron source for lithotrophs microorganisms?

TLS Triyambak Life Sciences Nurturing Life Sciences
TLS Android APP TLS IOS APP

Company

  • About us
  • Careers
  • Terms of service
  • Privacy policy

Help & Support

  • User Guidelines
  • Refund Policy

Products

  • TLS APP
  • TPP APP

Contact Us

117/429-4 Q Block, behind Hotel DNG Grand, Sharda Nagar, Kanpur,
Uttar Pradesh 208025
India
Phone: +91 9919149001, +917007912133
Email: info@triyambak.org

© 2025 Copyright Triyambak Life Sciences Pvt Ltd. All Rights Reserved