30 nm compacts the DNA 40-fold. This structure of this fiber requires the histone tails and is stabilized by linker histones.

TLS Online TPP Program

#Id: 9843

#Unit 6. System Physiology – Plant

The HY4 gene encodes a 75-kDa cry1 protein with significant sequence homology to microbial DNA photolyase

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#Id: 2391

#Unit 3. Fundamental Processes

The Nova and Fox families of RNA-binding proteins can promote or suppress splice site selection in a context-dependent fashion.

TLS Online TPP Program

#Id: 7140

#Unit 6. System Physiology – Plant

Active brassinosteroids are also regulated by brassinosteroid-dependent negative feedback mechanisms attenuation which is brought about by the downregulation of brassinosteroid biosynthetic genes and the upregulation of genes involved in brassinosteroid catabolism.

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#Id: 1528

#Unit 2. Cellular Organization

Many MAPs are positively charged and bind to microtubles through electrostatic interactions.

TLS Online TPP Program

#Id: 169

#Unit 5. Developmental Biology

The optic vesicle secrete two paracrine factors:

 BMP4

 FGF8