Which type(s) of genetic transfer lead to incorporation of new DNA into the bacterial chromosome?

I. Conjugation mediated by F factor

II. Hfr mediated conjugation

III. Transduction

IV. Transformation

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#Question id: 12690

#General Aptitude

From four corners of a square sheet of side 4 cm, four pieces,each in the shape of arc of a circle with radius 2 cm, are cut out.The area of the remaining portion is :

TLS Online TPP Program

#Question id: 14621

#Section 5: Bioprocess Engineering and Process Biotechnology

a chromatographic separation of a two component samples on 50 cm column gave the retention times for the solutes A and B as 2.5 and 3.1 minutes with base widths of the two chromatographic peaks being 0.24 and 0.3 min respectively. Calculate plate height 

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#Question id: 15486

#Section 6: Plant, Animal and Microbial Biotechnology

Why glutamic acid accumulation in cell is not a good idea for Corynebacterium

TLS Online TPP Program

#Question id: 10501

#Section 6: Plant, Animal and Microbial Biotechnology

Which defenses require specific detection systems and signal transduction pathways that can sense the presence of an herbivore or pathogen and alter gene expression and metabolism accordingly

TLS Online TPP Program

#Question id: 3619

#Section 3: Genetics, Cellular and Molecular Biology

Alleles that are both expressed in a heterozygote are