In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a  single species dominated the field. A possible factor in this secondary succession was

TLS Online TPP Program

#Question id: 2654

#Unit 2. Cellular Organization

Regulation of the lac operon can be envisioned as regulation of enzyme synthesis by its

TLS Online TPP Program

#Question id: 2655

#Unit 2. Cellular Organization

Lac Operon will be turned on when

TLS Online TPP Program

#Question id: 2656

#Unit 2. Cellular Organization

In a cell as per the Operon Concept, the regulator gene governs the chemical reactions by

TLS Online TPP Program

#Question id: 2921

#Unit 2. Cellular Organization

During which stage of the cell cycle is the chromosome content of a mammalian liver cell 1n?

TLS Online TPP Program

#Question id: 2922

#Unit 2. Cellular Organization

Human genes/proteins that regulate the cell cycle are most easily isolated by:

TLS Online TPP Program

#Question id: 2923

#Unit 2. Cellular Organization

Injection of an immature Xenopus oocyte with MPF induces: