A branched oligosaccharide containing

3 glucose (Glc)

9 mannose (Man)

2 N-acetylglucosamine (GlcNAc)

Glc3Man9(GlcNAc)2

TLS Online TPP Program

#Id: 8127

#XL - Q Biochemistry

β-Carotene is the precursor of vitamin A1.
Oxidation at C-15 converts retinol to the aldehyde, retinal, and further oxidation produces retinoic acid, a hormone that regulates gene expression. 

TLS Online TPP Program

#Id: 1326

#XL - T Zoology

GS, GPK, and GP are counteracted by a phosphatase called phosphoprotein phosphatase.

TLS Online TPP Program

#Id: 10579

#XL - R Botany

TLS Online TPP Program

#Id: 10050

#XL - T Zoology

Binding of Notch to Delta 

is followed by endocytosis of Delta by the signaling cell

TLS Online TPP Program

#Id: 8557

#XL - Q Biochemistry

In more complicated systems, the primary plots may be linear but the secondary plots non-linear. For example, if not one but two molecules of inhibitor can bind to the substrate binding site, then parabolic competitive inhibition is said to occur, because of the shape of the secondary and Dixon plots.