???? ?????? (Regulation of Gene Expression) - PowerPoint PPT Presentation

1 / 49
About This Presentation
Title:

???? ?????? (Regulation of Gene Expression)

Description:

Title: Author: scly Last modified by: user Created Date: 9/12/2001 12:18:34 PM Document presentation format: – PowerPoint PPT presentation

Number of Views:52
Avg rating:3.0/5.0
Slides: 50
Provided by: scly
Category:

less

Transcript and Presenter's Notes

Title: ???? ?????? (Regulation of Gene Expression)


1
???? ?????? (Regulation of Gene
Expression)
2
  • ??????
  • ???????
  • ??????????
  • ??????????

3
??? ????????????? ?? ??????? ??
???????? ?? ??????? ??
???????????? ?? ?????????????
4
  • ?????????
  • ????
  • ??????????????????????????????????,????????,
    ?????????????????
  • ??????
  • ??RNA(tRNA?mRNA?rRNA)?????????

5
??????????
  • (?)?????
  • ?????????????????????,????????
  • (?)?????
  • ??????????????????,????????????????

6
?????????
  • (?)?????
  • ????
  • ????????????????????????????????????
  • ???????
  • ??????????????,????????????????????????

7
  • (?)???????
  • ????
  • ??????????,??????????,???????
  • ????
  • ??????????,?????,??????????

8
  • (?)????
  • ????
  • ????????,?????????,????,?????

9
??????????????
  • (?)????????????????
  • (?)?????????

10
?????????????? (?)
??DNA?? (?) ???? (?) RNA???
11
(?)??DNA??
  • ???????DNA??
  • ????????????????????????
  • ???
  • ???????????????(2???)?????????(?????????????
    ???)????????,????????????

12
??? ???? ????
???? ???? ??
??
I
CAP
P
O
Z
Y
A
RNA??? ????
???? ????
????mRNA
????
???? ???????,?????? ????mRNA
????????????,??????????,??????mRNA,
?????????,???????mRNA.
13
?????????
?????????,????????-10??-35??????????????(????)?
-10??TATAAT??,??Pribnow??
-35??TTGACA???
RNA??????? ???????
14
  • ???????DNA??
  • ?????????????????????????DNA??,?????????
  • ??????????????????????,???????????

  • ???
  • ???????? ???

  • ???

15
  • (1)???
  • ?RNA????????????????????(????????????TATA?)?
  • (2)???
  • ???????????DNA??,???????????
  • (3)???
  • ?????????????DNA??,?????????

16
(No Transcript)
17
  • (?)????
  • ?????????(3?)
  • ????
  • ??RNA??????????????????
  • (RNA?????-??)
  • ????
  • ?????????,??????
  • (????????????)
  • ????
  • ??????DNA????,??RNA????????
  • ??,???????(CAP
Write a Comment
User Comments (0)
About PowerShow.com