The commercial Bt–cotton available today contain genes from the isolate B-thuringiensis, ssp. that produces Cry I A(a), Cry I A(b), Cry I A(c), Cry IIA.

TLS Online TPP Program

#Id: 3020

#Unit 3. Fundamental Processes

For DNA replication, a special RNA polymerase called a primase synthesizes an RNA chain that provides the priming end.

TLS Online TPP Program

#Id: 3021

#Unit 3. Fundamental Processes

Priming of replication on double-stranded DNA always requires a replicase, SSB, and primase.

TLS Online TPP Program

#Id: 3022

#Unit 3. Fundamental Processes

DnaB is the helicase that unwinds DNA for replication in E.coli.

TLS Online TPP Program

#Id: 3023

#Unit 3. Fundamental Processes

DNA polymerases cannot initiate DNA synthesis on duplex or single-stranded DNA without a primer.

TLS Online TPP Program

#Id: 3024

#Unit 3. Fundamental Processes

 DnaB is the helicase that unwinds DNA for replication in E.coli.

TLS Online TPP Program

#Id: 3025

#Unit 3. Fundamental Processes

A preformed RNA (often a tRNA) pairs with the template, allowing its 3'-0H end to be used to prime DNA synthesis.