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A restriction enzyme or restriction endonuclease is an enzyme which cuts DNA at particular recognition nucleotide sequences with Type II restriction enzymes cutting double-stranded DNA known as restriction sites. Like enzymes, make in archaea and bacteria, are thought to have evolved to give a defense mechanism against occupy viruses. Within a bacterial host the restriction enzymes selectively cut up foreign DNA in a procedure called as restriction; host DNA is methylated by a modification enzyme (a methylase) to protect it from the restriction enzyme's activity. Cooperatively, these two procedures form the restriction modification system. For cut the DNA a restriction enzyme create two incisions, once by every sugar-phosphate backbone of the DNA double helix.
Organic Molecules Some organic molecules in life are Carbohydrates and Lipids à C, H and O Proteins à C, H, O, N & sometimes S Nucleic acids à C, H, O, N & P
The response produced when an allergen is injected into an individual, who is sensitive is known as P-K reaction.
An organism having the genotype AaBbCcDdEe is self-fertilized. What are the proportions of gametes that are expected to carry only dominant alleles?
Q. What is the special route that lipids follow during digestion? What are chylomicrons? Triglycerides emulsified by the bile within micelles suffer the action of lipases that
Q. What are some examples of parasitism? The Classical instances are the parasites of humans (host), like the trypanosome that causes Chagas' disease, the HIV virus (AIDS), the
Important characters of hydrozoa with example?
Structure of the Vascular Cambium This meristem, in the anatomical sense of the term usually includes two histologically distinct kinds of cells: i) Fusiform Initials, i
Well Labaled DaiGram Of Cellular Endosperm
Explain about the Nutritional Support Management? Tube feeding is usually started. If tube feeding is not possible, parenteral nutrition through peripheral vein or through the
how do honey bees breathe
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