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TLS Online TPP Program

#Id: 9401

Animal cognition

Some animal, especially many mammal, bird have cognitive ability that  extend to reasoning, problem solving, tool used and symbolic  communication.

#XL - T Zoology #Behavior #Part B Pointers
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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: 8126

#XL - Q Biochemistry
TLS Online TPP Program

#Id: 8125

#XL - Q Biochemistry

Steroids derived from cholesterol.
TLS Online TPP Program

#Id: 8120

#XL - Q Biochemistry

Arachidonic acid and some eicosanoid derivatives.
TLS Online TPP Program

#Id: 8119

#XL - Q Biochemistry

The triterpenes are C30 terpenes and include squalene and lanosterol, two of the precursors of cholesterol
TLS Online TPP Program

#Id: 8118

#XL - Q Biochemistry

 Glycosphingolipids as determinants of blood groups.