TLS Online TPP Program

#Question id: 46


The three-dimensional structure of a protein is determined primarily by:

#I Life Science/ Life Sciences Group – I-V
  1. electrostatic guidance from nucleic acid structure

  2. Hydrophobic interaction with lipids that provide a folding framework

  3. modification during interactions with ribosomes

  4. The sequence of amino acids in the protein

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TLS Online TPP Program

#Question id: 10795

#I Life Science/ Life Sciences Group – I-V

basic carbon skeleton of a flavonoid contains 15 carbons arranged in two aromatic rings connected by a three-carbon bridge. This structure results from two separate biosynthetic pathways:

TLS Online TPP Program

#Question id: 10795

#SCPH05 I Biotechnology

basic carbon skeleton of a flavonoid contains 15 carbons arranged in two aromatic rings connected by a three-carbon bridge. This structure results from two separate biosynthetic pathways:

TLS Online TPP Program

#Question id: 10796

#I Life Science/ Life Sciences Group – I-V

Flavonoids are one of the largest classes of plant phenolics, structure of flavonoids;

TLS Online TPP Program

#Question id: 10796

#SCPH05 I Biotechnology

Flavonoids are one of the largest classes of plant phenolics, structure of flavonoids;

TLS Online TPP Program

#Question id: 10797

#I Life Science/ Life Sciences Group – I-V

The colored pigments of plants are of two principal types: carotenoids and flavonoids. Given below some statements of about these pigments;

 a) Anthocyanins are colored flavonoids that attract animals

b) Flavonoids are phenolic compounds that include a wide range of colored substances

c) Carotenoids are coloured terpenoid compounds that also serve as accessory pigments in photosynthesis

d) most widespread group of pigmented carotenoids is the anthocyanins, these are glycosides that have sugars. Without their sugars, anthocyanins are known as anthocyanidins

Which of the following is incorrect statements of these pigments;

TLS Online TPP Program

#Question id: 10797

#SCPH05 I Biotechnology

The colored pigments of plants are of two principal types: carotenoids and flavonoids. Given below some statements of about these pigments;

 a) Anthocyanins are colored flavonoids that attract animals

b) Flavonoids are phenolic compounds that include a wide range of colored substances

c) Carotenoids are coloured terpenoid compounds that also serve as accessory pigments in photosynthesis

d) most widespread group of pigmented carotenoids is the anthocyanins, these are glycosides that have sugars. Without their sugars, anthocyanins are known as anthocyanidins

Which of the following is incorrect statements of these pigments;