modified bases मीनिंग इन हिंदी

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In RNA, minor or modified bases occur more frequently.
The modified bases include inosine and the Non-Watson-Crick U-G basepair.
Selenium is also specifically incorporated into modified bases of some tRNAs ( as 2-seleno-5-methylaminomethyl-uridine ).
Chemically modified bases can be bypassed by either error-prone or error-free translesion polymerases, or through genetic exchange with the sister chromatid.
These variable codes for amino acids are allowed because of modified bases in the first base of the anticodon of the tRNA, and the base-pair formed is called a wobble base pair.
Swain and Rao observed marked increases in several types of DNA damages in aging rat brain, including single-strand breaks, double-strand breaks and modified bases ( 8-OHdG and uracil ).
In RNA, there are many modified bases, including those contained in the nucleosides pseudouridine ( ? ), dihydrouridine ( D ), inosine ( I ), and 7-methylguanosine ( m 7 G ).
The presence of pseudouridine in the mixed 10S RNA hinted that tmRNA has modified bases found also in tRNA . The similarity at the 3'end of tmRNA to the T stem-loop of tRNA was first recognized upon sequencing " ssrA " from " Mycobacterium tuberculosis ".