T-cell dependent response requires a signal is provided by an activated T cell, which binds to the B cell through,

a) lipopolysaccharide moiety

b) its antigen receptor 

c) A separate interaction between CD40L on the B cell and CD40 (CD154) on the activated TH cell

d) A separate interaction between CD40 on the B cell and CD40L (CD154) on the activated TH cell

TLS Online TPP Program

#Question id: 15668

#Unit 8. Inheritance Biology

How is genetic transfer different from sexual reproduction?

TLS Online TPP Program

#Question id: 10267

#Unit 8. Inheritance Biology

Exceptions of law of dominance are

a. Incomplete dominance

b. Codominance

c. Nondisjunction

d. Linkage

TLS Online TPP Program

#Question id: 705

#Unit 1. Molecules and their Interaction Relevant to Biology

Proteins are classified within families or superfamilies based on similarities in:

TLS Online TPP Program

#Question id: 10233

#Unit 10. Ecological Principles

Which of the following statements is the most appropriate define character displacement?

TLS Online TPP Program

#Question id: 19491

#Unit 4. Cell Communication and Cell Signaling

R gene‐mediated defense also known as__