Q3 multiple choice questions 1 reproduction in bacteria...

Q3 Multiple choice questions. 1) Reproduction in Bacteria takes place by a) Zoospores b) conidia c) Aplanospores d) Binary fission 2) The Bacterial transformation discovered by Robert Hill d) Khorana

Transcript

00:01 So you see bacterial conjugation, okay, it's a very important bit here because conjugation here we're talking about sexual, sexual mode of genetic or gene, let me say gene transfer, okay? it's how genes are transferred in bacteria via sexual means, right? you see you see it is it's it happens actually that chromosomes chromosomes are from two sexually distinct okay from two sexually distinct types of cells okay in bacteria you know are brought together okay in a defined so these are brought together in a defined and let me say programmed in defined and programmed and programmed method or mana let me say mana okay as you'll say later all right and uh what happens is is bacteria conjugate using very special structures known as sex peli okay and sex pillars let me say conjugation pillars conjugation uh pilli right very important uh bits here of structures okay and uh if i can quickly do an illustration of what happens here right you see you get bacterial cell a this is bacterial cell a with its own uh genetic material there okay and then you have what you call uh this is f plasmid f plasmid right so this is an f -cell f -plus cell you know the cell that has f -plasmid right and then it comes laying side by side with another cell that has no plasmid so let me call this f -negative cell okay f negative cell.

02:45 So what happens is this bacteria here will initiate the formation of a very important structure known as the conjugation or let me say sex pilas.

03:00 This is sex pylai, or let me say pillars because it's one, right? this is a u.

03:07 So what happens the next step is that these bacteria cells will come into contact via a very important structure.

03:15 Here we call a sex pellers, all right? and then what happens is these these are f -plasmid will be so like this so this is cell a and this say this is cell b...

Question

Q3 Multiple choice questions. 1) Reproduction in Bacteria takes place by a) Zoospores b) conidia c) Aplanospores d) Binary fission 2) The Bacterial transformation discovered by Robert Hill d) Khorana

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