The critical concentration (Cc) is the concentration of free G-actin at which the filaments are formed.

TLS Online TPP Program

#Id: 8960

#Unit 11. Evolution and Behavior

Duplicate gene and its parental copy can subfunctionalize so that each carries out only some of the roles that the ancestral gene performed. 

Ex- a duplicate of the β-hemoglobin locus is expressed in the fetus. 

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#Id: 6384

#Unit 2. Cellular Organization

The DNA-binding domain occupies residues 1–59. It contains two a-helices separated by a turn. This is a common DNA-binding motif known as the HTH (helix-turn-helix); the two a-helices fit into the major groove of DNA

TLS Online TPP Program

#Id: 7201

#Unit 5. Developmental Biology

MHC molecules in mouse

TLS Online TPP Program

#Id: 1906

#Unit 4. Cell Communication and Cell Signaling

Formation of mature B-cell

TLS Online TPP Program

#Id: 1981

#Unit 3. Fundamental Processes

This structure is called a cap.