A hexamer of DnaB forms the replication fork. Gyrase and SSB are also required

TLS Online TPP Program

#Id: 432

#Unit 2. Cellular Organization

Core DNA invariant length of 146 bp contains core and linker histones so Mnase cuts after H1 binding site. 

TLS Online TPP Program

#Id: 4016

#Unit 2. Cellular Organization

The nuclear matrix and chromosome scaffold consist of different proteins, although there are some common components. Topoisomerase II is a prominent component of the chromosome scaffold, and is a constituent of the nuclear matrix, suggesting that the control of topology is important in both cases.

SATB1, is a protein that appears to regulate the association of MARs with the matrix in order to regulate transcription of genes in the vicinity of the MAR.

TLS Online TPP Program

#Id: 3050

#Unit 10. Ecological Principles

Theory of island biogeography

TLS Online TPP Program

#Id: 10205

#Unit 6. System Physiology – Plant

Cytokinin binds to the CRE1 receptors to initiate a response that culminates in the elevation of transcription of the type- BARRs/ type- A ARRs. 

TLS Online TPP Program

#Id: 6714

#Unit 8. Inheritance Biology

Advantages of using bacteria and viruses for genetic studies

Reproduction is rapid. 

Many progeny are produced. 

The haploid genome allows all mutations to be expressed directly. 

Asexual reproduction simplifies the isolation of genetically pure strains. 

Growth in the laboratory is easy and requires little space. 

Genomes are small. 

Techniques are available for isolating and manipulating their genes. 

They can be genetically engineered to produce substances of commercial value.