Darwin’s evolutionary theory - Evolution as such is the simple proposition that the characteristics of organisms change over time. 

Geometric increase 

Limited food & Space

Struggle for existence 

Variation 

Natural selection

Inheritance of useful characters

Speciation 

TLS Online TPP Program

#Id: 1921

#Unit 4. Cell Communication and Cell Signaling

B cells can be negatively signaled through CD22 and FcγRIIb a receptor that recognizes the presence of IgG containing immune complexes in the blood.

TLS Online TPP Program

#Id: 1922

#Unit 4. Cell Communication and Cell Signaling

B-10 B cells release the interleukin IL-10 upon antigenic stimulation, and may serve to reduce inflammation during an ongoing immune response.

TLS Online TPP Program

#Id: 1923

#Unit 4. Cell Communication and Cell Signaling

The term complement refers to a set of serum proteins that cooperates with both the innate and the adaptive immune systems to eliminate blood and tissue pathogens. 

TLS Online TPP Program

#Id: 1924

#Unit 4. Cell Communication and Cell Signaling

Proteins Involved in the Complement System

TLS Online TPP Program

#Id: 1925

#Unit 4. Cell Communication and Cell Signaling

The Major Pathways of Complement Activation

TLS Online TPP Program

#Id: 1926

#Unit 4. Cell Communication and Cell Signaling

Classical Pathway