Paradox of biodiversity consists of all types of plants and animals in which I tell you about difference interesting facts about living forms that exist in the world. Also that knowledge is useful for you .

featured-slider

test

Breaking

Post Top Ad

Your Ad Spot

Friday, March 15, 2019

Would you call viruses living or non living?

    Would you consider viruses living or no living?

Viruses are non- cellular organisms that are characterized by having an inert crystalline structure outside living cell.
Once they infect a cell they take over the machinery of the host cell to replicate themselves , killing the host body.

* The name virus means venom or poisonous fluid which was given by Pasteur d.j.ivanowsky (1892).
* Viruses contain genetic material , that could be either DNA or RNA . A virus contain both RNA or DNA.
                    



* Virus that infect plants have single stranded RNA and viruses that infect animals have double stranded DNA. Bacterial viruses or bacteriophages ( viruses that infect bacteria) are usually double stranded DNA viruses.
* The protein coat made up of capsid of small units called capsomeres , protects nucleic acid.
* Viruses causes disease like mumps , small pox , influenza. AIDS in humans also caused by a virus .
* In plants , the symptoms can be mosaic formation , leaf rolling and curling , yellowing and vein clearing , drafting and stunted growth.

No comments:

Post a Comment

What are evidences for evolution?

                What are evidences for evolution? Evidence that evolution of life forms has indeed taken place on earth has come from...

Post Top Ad

Your Ad Spot

Pages