DNA methylation in bacteria allows the DNA mismatch recognition machinery to distinguish the old template strand from the new strand.

TLS Online TPP Program

#Id: 10389

#Unit 4. Cell Communication and Cell Signaling

Class II, but not class I, presentation is inhibited by treatment of the cells with an agent that blocks endocytic processing within the cell (chloroquine).

TLS Online TPP Program

#Id: 83

#Unit 5. Developmental Biology

Fate map, 

A diagram that “maps” the larval or adult structures onto the region of the embryo from which they arose.

TLS Online TPP Program

#Id: 84

#Unit 5. Developmental Biology

Commitment

The commitment of cells to specific cell fates & their capacity to differentiate into particular kinds of cells (cell has began in a direction towards a specific fate).

TLS Online TPP Program

#Id: 85

#Unit 5. Developmental Biology

Commitment

At this stage the cell or tissue does not appear phenotypically different from its uncommitted state, its developmental fate has become restricted.

TLS Online TPP Program

#Id: 86

#Unit 5. Developmental Biology

Stages of commitment- 

1- Specification 

2- Determination

TLS Online TPP Program

#Id: 87

#Unit 5. Developmental Biology

Cell Specification

cells become specified to a specific fate