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TLS Online TPP Program

#Id: 9191

Types of selection

#Section 3: Genetics, Cellular and Molecular Biology #Natural selection #Part B Pointers
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TLS Online TPP Program

#Id: 8130

#Section 2: General Biology

TLS Online TPP Program

#Id: 8129

#Section 2: General Biology

Some other biologically active isoprenoid compounds or derivatives.
TLS Online TPP Program

#Id: 8127

#Section 2: General Biology

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: 8126

#Section 2: General Biology

TLS Online TPP Program

#Id: 8125

#Section 2: General Biology

Steroids derived from cholesterol.
TLS Online TPP Program

#Id: 8120

#Section 2: General Biology

Arachidonic acid and some eicosanoid derivatives.