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Q What are the bacteriophages?
Bacteriophages are viruses specialized in parasitism of bacteria. They are used in genetic engineering as molecular cloning vehicles to include recombinant DNA into bacteria they were also used in the former Soviet Union to treat bacterial infections.
Bacteriophages have a polyhedron-like capsid and DNA as genetic material, the "head" of the virus is connected to a tail that ends in small fibers that help the virus to attach to the bacterial cell wall and to inject its genetic material into the host.
FUNCTIONS OF CELL WALL 1. Provides shape to plant cell rigidity to cells. 2. Functions as a barrier to entry of pathogens into the cells. 3. Provides pr
Atrio-ventricular Orifices The right and left atrio-ventricular orifices are oval apertures. The openings lie in a plane that is almost vertical with a slight downward inclinati
Q. Explain about Genetic Diversity? Genetic diversity is the "fundamental currency of diversity" that is responsible for variation. This is the diversity of basic units of here
Functions of Respiratory Pigments As you have learnt in the preceding sub-sections, the pigments are the carrier of oxygen. In the nonexistence of respiratory pigments the blo
Explain the Donnan Membrane Equilibrium? If one of the solutions in a two-phase membrane equilibrium contains certain charged solute species that are unable to pass through the
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Q. How many cellular nuclei does the pollen tube of angiosperms have? What is ploidy of each of these nuclei? The pollen tube explicitly the mature male gametophyte of angiospe
Increase in population size is known as population growth. It depends upon number of persons added to the population and number of persons lost from the population. Addition in pop
Extruded Starch Cereal products, that are prepared by pumping cereals through a small opening for instance, pasta, Ready-to-eat cereals etc.
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