The fluctuation test of Luria and Delbruck (studying resistance to bacteriophge T1 infection) established that

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#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;

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#Question id: 10233

#SCPH28 | Zoology

Which of the following statements is the most appropriate define character displacement?

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#Question id: 2607

#SCPH05 I Biotechnology

The precursor amino acid + enzyme of trp is ;

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#Question id: 9575

#SCPH06 I Botany

The warm counter current known as El niño moves southward along the coast of peru each year around christmastime. When this counter current flows strongly, it displaces the cold peru current offshore and results in:

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#Question id: 17820

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

During the RNA extraction guanidinium thiocyanate functions as a strong inhibitor of