In higher plants the phytochrome chromophore is a linear tetrapyrrole called phytochromobilin

TLS Online TPP Program

#Id: 1573

#Unit 4. Cell Communication and Cell Signaling

The E3 TrCP ubiquitin ligase then binds to two phosphorylated β-catenin residues, leading to β-catenin ubiquitinylation and degradation in proteasomes.

TLS Online TPP Program

#Id: 9912

#Unit 4. Cell Communication and Cell Signaling

Cyclooxygenase-2 (COX-2)

Enzyme responsible for the formation from arachidonic acid of prostaglandins and other pro-inflammatory mediators.

TLS Online TPP Program

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#Unit 10. Ecological Principles

Natality means production of new individuals (offspring). 

Maximum or Absolute natality - maximum offspring produced under most suitable environmental conditions. 

Ecological natality - refers to number of offspring produced under prevailing environmental conditions.

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#Unit 2. Cellular Organization

When spaced at about, consecutive AT base pair has 10 bp intervals as consecutive GC base pairs they are offset by 5 bp from runs of AT base pairs.

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#Id: 580

#Unit 2. Cellular Organization

Catabolite repression is exerted through a second messenger called cyclic AMP (cAMP) and the positive regulator protein called the catabolite repressor protein (CRP), a dimer.