Q.16 Volume of bacteriophage is about
A. 1/10
C. 1/100 of host.
B. 1/100 times
D. 1/1000 1-
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Answer:
The largest bacteriophage genomes reach a size of 735 kb.
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Volume of bacteriophage is about 1/100 of host. Bacteriophage or phage is a virus which infects bacterial cells. It multiplies within a bacterial cell.
- The basic construction of bacteriophage is a genome containing DNA or RNA enclosed by a protein coat.
- There are many kinds of bacteriophages present.
- They are omnipresent. They may duplicate by lytic or lysogenic cycle. Some common examples include λ phage, T4 page, ΦX174, etc.
- Since viruses do not have organelles and are totally reliant on on the host cell's metabolic machinery for duplication, they cannot be grown in artificial media.
- In the test center, animal viruses are grown in animals, in embryonated eggs, or in cell culture.
- Plant viruses are grownup in plants or in plant cell culture. Bacteriophages are grown in vulnerable bacteria.
Most bacteriophages, such as Coliphage T4 duplicate by the lytic life cycle and are named lytic bacteriophages.
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