Type of natural selection

1. Stabilized natural selection

2. Directional Natural selection

3. Disruptive Natural selection

4. Balance natural selection

TLS Online TPP Program

#Id: 8317

#Section 3: Genetics, Cellular and Molecular Biology

Actin polymerization in vitro proceeds in three steps:

1.Nucleation phase

2.Elongation phase

3.Steady-state

TLS Online TPP Program

#Id: 7925

#Section 3: Genetics, Cellular and Molecular Biology

Endoplasmic reticulum

Network of interconnected membranous structures within the cytoplasm of eukaryotic cells contiguous with the outer nuclear envelope.

TLS Online TPP Program

#Id: 8114

#Section 2: General Biology

Sphingosine itself can be phosphorylated to produce sphingosine-1-phosphate (S1P) inside cells. 

TLS Online TPP Program

#Id: 10360

#Section 2: General Biology

Plasma cell decision point

TLS Online TPP Program

#Id: 8641

#Section 3: Genetics, Cellular and Molecular Biology

Rb binds the activation domains of a E2F transcription factors, in the cytoplasm to prevent them from turning on the genes required for cell cycle progression.