Small organic molecules that usually make up all or part of enzyme cofactors and only very small amounts sustain growth

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#Question id: 5434

#Part-A Aptitude & General Biotechnology

Plant height of wild Solanum nigrum is controlled by polygene. A pure line plant with 60 cm height was cross to pure line plant having 20 cm height .All F1 plant having uniform height 40 cm. F1 plant was allowed to self-fertilization to produced 4/64 proportional of F2 plant having height 20 cm . What is number of polygene governing plant height?

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#Question id: 861

#Part-B Specialized Branches in Biotechnology

Alexander Varshavsky discovered, the half-lives of many cytoplasmic proteins vary with the identities of their N-terminal residues via the so-called N-end rule:-

A. Destabilizing N-terminal residues Asp, Arg, Leu, Lys, and Phe have half-lives of	i. Only 2 to 3 minutes,
B. Stabilizing N-terminal residues Ala, Gly, Met, Ser, Thr, and Val have half-lives of	ii. >10 hours in prokaryotes iii. >20 hours in eukaryotes.

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#Question id: 1549

#Part-A Aptitude & General Biotechnology

the decision to translate  IgM versus IgD  heavy chains is made at the level of?

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#Question id: 296

#Part-A Aptitude & General Biotechnology

In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by ________.

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#Question id: 14984

#Part-A Aptitude & General Biotechnology

Just beneath the plasma membrane  many protozoa and some algae have a different external, rigid layer of components. The structure is called as