TLS Online TPP Program

#Id: 2822

#Unit 13. Methods in Biology

In Ion-exchange chromatography Cation exchangers possess negatively charged groups and these will attract positively charged cations & Anion exchangers have positively charged groups that will attract negatively charged anions

TLS Online TPP Program

#Id: 810

#Unit 3. Fundamental Processes

The 12-bp promoter sequence need not be contiguous. 

If a specific number of base pairs separates two constant shorter sequences, their combined length could be less than 12 bp, because the distance of separation itself provides a part of the signal (usually 16-17 bp)

TLS Online TPP Program

#Id: 2154

#Unit 9. Diversity of Life Forms

Second positions most slowly evolve.

TLS Online TPP Program

#Id: 6914

#Unit 8. Inheritance Biology

Duplications and deletions often arise from unequal crossing over.

TLS Online TPP Program

#Id: 735

#Unit 3. Fundamental Processes

The minimal origin is defined by the distance between the outside members of the 13-mer and 9-mer repeats.