During which stage of the cell cycle is the chromosome content of a mammalian liver cell 1n?

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#Question id: 10522

#Part-B Specialized Branches in Biotechnology

Mechanical barriers provide a first line of defence against insect pests and pathogens, these mechanical barriers developed by plants;

COLUMN A	COLUMN B
A. Thorns	i) It can be found on the stem and petioles of roses and are formed by the epidermis
B. Spines	ii) Found on a lemon tree (Citrus sp.) are modified branches, as can be seen by their position in the axil of a leaf
C. Prickles	iii) Found on shoot and leaves of tomato (Solanum lycopersicum) are derived from epidermal cells
D. Trichomes	iv) which are characteristic of cacti (Opuntia spp.) in the New World, are modified leaves

Match correctly following combination of barrier developed by plants ;

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#Question id: 3863

#Part-A Aptitude & General Biotechnology

Introns in nuclear pre-mRNAs are excised by:

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#Question id: 19011

#Part-A Aptitude & General Biotechnology

Which one of the following methods is the most suitable for amino-acid analysis?

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#Question id: 10598

#Part-B Specialized Branches in Biotechnology

In a wild life reserve, we have two species of mammal. Species A reproduce thrice a year and produced 6-10 offspring per litter. Species B reproduce once in 2-3 year and produced 1-2 offspring during each cycle of reproduction. Which of the following statement is true?

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#Question id: 5072

#Part-B Specialized Branches in Biotechnology

Movement of epithelial cells as a unit to enclose deeper layers of the embryo. This type of cell movement during gastrulation occur in: