If the middle slice is too narrow, there is no discernible morphogen gradient within it, and regeneration is abnormal.

TLS Online TPP Program

#Id: 423

#Unit 2. Cellular Organization

The second level of organization is the coiling of the 10-nm fiber of nucleosomes into a helical array to constitute the fiber of diameter 30 nm.

TLS Online TPP Program

#Id: 1861

#Unit 3. Fundamental Processes

RNA polymerase III transcribes a set of short genes. The classical class III genes (types I and II) have promoters that lie wholly within the genes.

 

TLS Online TPP Program

#Id: 4021

#Unit 2. Cellular Organization

Active genes are often found at the borders of chromosome territories, and active genes from several chromosomes may cluster in inter-chromosomal territories that are enriched in transcription machinery.

TLS Online TPP Program

#Id: 736

#Unit 3. Fundamental Processes

The four 9-bp consensus sequences on the right side of oriC provide the initial binding sites for DnaA-ATP

TLS Online TPP Program

#Id: 8129

#Unit 1. Molecules and their Interaction Relevant to Biology

Some other biologically active isoprenoid compounds or derivatives.