What is the Difference Between Nucleoside and Nucleotide?
VIRUS, VIROIDS, VIRUSOIDES, VIRION, and PRIONS
Virus:
These are submicroscopic and acellular organisms
They are obligate intracellular parasites
They contain either DNA or RNA
Chemical Composition:
Nucleic acid -- (Central Core)
Protein coat (Capsomere)
Note: An infectious viral particle is called Virion.
Viroids:
Contain only low molecular weight RNA (Single stranded RNA) and not protein coat.
Cause Potato Spindle Tuber disease
Virusoides:
They...
What is the Difference Between Gram Positive and Gram Negative Bacteria?
There are several difference between Gram positive and Gram bacteria:
Normal
0
false
false
false
EN-IN
X-NONE
X-NONE
MicrosoftInternetExplorer4
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What is Gram Staining?
Gram staining is a procedure used to distinguish Gram positive bacteria from Gram negative bacteria.
Steps:
In the beginning, both Gram positive and Gram negative bacteria look alike. So, they are unstained.
Crystal violet is used in the next step, both Gram positive and Gram negative bacteria become violet in color.
In the third step, Iodine is used to stain. Both look alike i.e.,...
