Barr body- Inactivated X chromosome that appears as a condensed, darkly staining structure in most cells of female placental mammals. 

TLS Online TPP Program

#Id: 7733

#Unit 1. Molecules and their Interaction Relevant to Biology

Atoms are made of the same three basic particles: protons, neutrons, and electrons.

TLS Online TPP Program

#Id: 2884

#Unit 3. Fundamental Processes

DnaA-ATP binds to short repeated sequences and forms an oligomeric com plex that melts DNA

TLS Online TPP Program

#Id: 797

#Unit 3. Fundamental Processes

There are proteins so-called nut sites in the leader regions of both the 16S and 23S rRNA transcripts, forming antitermination complexes that inhibit the action of rho.

TLS Online TPP Program

#Id: 2631

#Unit 13. Methods in Biology

S1 mapping is used to locate the 5’- or 3’-ends of RNAs and to quantify the amount of a given RNA in cells at a given time. 

TLS Online TPP Program

#Id: 8015

#Unit 10. Ecological Principles

Character displacement

Morphological differences in two closely related species present in same geographical area while similar morphology when present at different geographical are

1. Niche diversification

2. Co-existence of many species

3. Evolutionary program