Page 90 - Botany
P. 90

•    cøvRwgW PµvKvi / e„ËvKvi wØm~Î DNA AYy|
             •    Gi AvYweK IRb cÖvq 10  - 200 x 10  dalton.
                                                  6
                                       6
             •    GwU Aí msL¨K wRb aviY K‡i _v‡K|
             •    ‡iw÷ªKkb GbRvgB Øviv Av`k© cøvRwg‡Wi wbw`©ó ¯’vb¸‡jv †K‡U †djv hvq|

             •    ‡Kvb †Kvb cøvRwg‡Wi wRb we‡kl ai‡bi ivmvqwbK e¯‘ ms‡kølY Ki‡Z cv‡i, †hgb- colicin, vibrin BZ¨vw`|

     msÁv wjL- ˆRe cÖhyw³ t RxešÍ Dw™¢`, cÖvYx, AYyRxe ev G‡`i Askwe‡kl e¨envi K‡i gvbeZvi Kj¨v‡b e¨envi Dc‡hvMx DbœZ ˆewkó¨
     m¤úbœ bZzb Dw™¢`, cÖvYx, AYyRxe ev `ªe¨ Drcv`‡b cÖ‡qvMK…Z cÖhyw³ n‡jv RxecÖhyw³|

     3| cøvRwgW I wiKw¤^‡b›U DNA Kx? wiKw¤^‡b›U DNA †UK‡bvjwR eY©bv Ki|

     †R‡bwUK BwÄwbqvwis t †Kvb Rxe‡Kvl †_‡K GKwU wbw`©ó wRb enbKvix DNA LÛvYy c„_K K‡i wfbœ GKwU Rxe‡Kv‡li DNA Gi m‡½
     †Rvov w`‡q G‡Z Kvw•¶Z ˆewk‡ó¨i cÖKvk NUv‡bvi †KŠkj‡K †R‡bwUK BwÄwbqvwis ev wRb cÖ‡KŠkj e‡j|
     wiKw¤^‡b›U DNA ‡UK‡bvjwRi wewfbœ avc t GKwU DNA AYyi
     Kvw•¶Z `yÕRvqMv †K‡U LÛwU‡K Avjv`v K‡i Ab¨ GKwU †cvlK

     DNA AYyi wbw`©ó RvqMvq †Rvov †`qvi d‡j †h msKi DNA
     AYyi m„wó nq Zv‡K wiKw¤^‡b›U DNA e‡j| wiKw¤^‡b›U DNA

     ‰Zwii cÖhyw³‡KB wiKw¤^‡b›U DNA ‡UK‡bvjwR e‡j|
     wiKw¤^‡b›U DNA ‡UK‡bvjwR wb‡gœ ewY©Z 5wU av‡c m¤úbœ Kiv
     n‡q _v‡K Ñ

       cÖ_g avc t G av‡c M‡elK‡K `yÕai‡bi wRb c„_K Ki‡Z nq|
     GKwU  n‡”Q e¨vK‡Uixq  cøvRwgW  hv  †fKUi  wn‡m‡e  KvR  Ki‡e

     Ges  wØZxqwU  Dw™¢`‡Kv‡li  Kvw•¶Z  DNA  hv  eû¸wYZ  Ki‡Z
     n‡e| Gme †¶‡Î mvaviYZ E coli e¨vK‡Uwiqvg †_‡K cøvRwgW
     msM„nxZ nq|

       wØZxq avc t G av‡c cøvRwgW I Dw™¢`‡Kv‡li DNA ‡K GKB
     †iw÷ªKkb GbRvBg w`‡q KvUv nq| GbRvBgwU cøvRwgW DNA

     Gi wbw`©ó ¯’vb †K‡U †`q| GKB GbRvBg Dw™¢`‡Kv‡li DNA-
     ‡K †K‡U AmsL¨ LÛvsk ˆZwi K‡i| Gme L‡Ûi †Kvb GKwU‡Z
     Kvw•¶Z wRbwU _v‡K| Gfv‡e KvUvi d‡j wØ-m~ÎK DNA AYyi

     `ycÖvšÍÍ,  ¶z`ªKvq  GKm~Î  wewkó  †h  ewa©Z  As‡ki  m„wó  nq  Zv‡K
     Muv_b cÖvšÍ e‡j|
       Z…Zxq  avc  t  G  av‡c  wbw`©ó  Dw™¢`  DNA  cøvRwg‡Wi  KwZ©Z

     cÖv‡šÍ ¯’vcb Kiv nq| Muv_b cÖvšÍ Dw™¢` DNA       i cwic~iK
     GKm~ÎK ewa©Zvs‡ki mv‡_ nvB‡Wªv‡R‡bi eÜbxhy³ †em-‡Rvo m„wó
     K‡i hy³ nq|

       PZz_©  avc  t  G  av‡c  DNA  jvB‡MR  GbRvBg  w`‡q  Dfq
     DNA AYy‡K †Kvf¨v‡j›U eÜbxi gva¨‡g †Rvov                                  wPÎ t wiKw¤^‡b›U DNA ‡UK‡bvjwR

     jvMv‡bv nq| djkÖywZ‡Z wbw`©ó Dw™¢` wRbmn wiKw¤^‡b›U DNA cøvRwg‡Wi m„wó nq|
       cÂg  avc  t  GwU  n‡”Q  wRb  †K¬vwbs-Gi  Avmj  avc  hvi  d‡j  wR‡bi  eû  Kwc  ˆZwi  nq|  G  av‡c  e¨vK‡Uwiqv‡K  Zvi  wiKw¤^‡b›U
     cøvRwgWmn eske„w× Ki‡Z †`Iqv nq| e¨vK‡Uwiqv‡gi eske„w× NU‡j wiKw¤^‡b›U cøvRwg‡WiI msL¨v e„w× N‡U| Gfv‡e Kvsw•¶Z ˆewkó¨
     ev ¸Y enbKvix wR‡bi eû¸YY NUv‡bv nq|






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