C6 laetoza: laetoza lien kEit v&i protein (re ehEi -> lam biEin a6i eau hinh khong gian ba ehi�u eua n6 -> protein (re ehEi khiing thEi lien kEit v&i vung van hanh ->[r]
Trang 1Gendieuhoa
ADN
a
b
Operon
,A _ �
I Vimg vQn '
hanh Cac gen cau true (Z, Y, A}
c6 lien quan v� chcic nc'lng
A
Ladieu hoa IU'qng san pham eua gen
Thl,J'C chat la ki€lm soat gen c6 dU'Q'C
phien ma va dich ma hay khong
Gen di�u hoa R (khong nam trong thanh
philn eua Operon)
Khong e6 laetoza: Gen R t6ng h()'p protein
(re ehEi -> protein nay lien kEit voi vung v.jn
hanh -> eae gen eau true khong ho<;1t d<;>ng
C6 laetoza: laetoza lien kEit v&i protein (re
ehEi -> lam biEin a6i eau hinh khong gian ba
ehi�u eua n6 -> protein (re ehEi khiing thEi
lien kEit v&i vung van hanh -> gen eau true
tiEin hanh phien ma
La qua tr1nh chuy€ln thong tin la ma
di truyen thanh tri nh ti,!' axil a min tren
chuoi polipeptit
Axil amin ll,J' do
Enzim hoi;lt h6a
Enzim aije hieu Enzim
La hi�n tLI'qng nhieu riboxom cung
tham gia giai ma tren m(>t mARN giup
tang hi�u suat tong hqp protein
La qua trinh truyen thong tin di
truyen tren m;;ich khuon cua gen
(ADN) sang ARN
Operon.Lac
Nhan te bao (sv nhan thl,J'c)
Ki trung gian
Giai do;;in khai dau: ARN polimeraza
barn vao vung dieu hoa
Giai doan keo dai: Mach ARN dU'O'C
keo dai .theo chieu 5' ·_ 3'
Giai do;;in ket thuc: ARN polimeraza
gap tin hi�u ket thuc thi dung l;;ii
VUng kl'IOi c,ong (P)
� Gen chi huy (0)
Gen dleu hOa (R) ! l cac oen du tn)c
I (J'c CHE - Ip I u " I p I l l ::::::z I y I A I ADN
II IIO�T D()NG I p I "
� L
-Ch lit cam (lactozu) •u-�:
Chlit�h�_
bj blit hos,.t
0i§u h6a ho�t d¢ng
cua gen
Dich ma
Phien ma
z I y I A ADN
I I I mARN
"' �
Cac protein (hrq-c ts,.o thanh
boi cac gen Z, Y, A
Gen - Ma di truy§n
F,nzimn6i \
ligai.a
Khai ni�m
La m<;>t aos1n eua phan 10, ADN mang thong
tin ma h6a m<;>t ehuoi polipeptit hay m(lt
phan t(J'ARN
Vung ai�u hba: kh&i a,;ing, kiEim soat qua
trinh phien ma
Vung kEit thue: mang tin hieu kEit thue qua
trinh phien ma
La trinh tl,l' eae nueleotit trong gen quy d!nh
trinh 11,l' eae axil a min (aa) trong phan tO,
protein
la ma bQ ba
dlJ'()'e aoe t(f m<;>t aiEim xae d!nh theo t(fng
bQ ba {khiing g6i len nhau)
e6 tinh ph6 biEin
e6 tinh dije hii)u
e6 tinh thoai hoa
Pha S cua kl trung gian
Nhan te bao (sv nhan thl,J'c)
Thanh phan tham gia
NTBS
ADN khuon
Nu ll,J'do
Enzim: enzim thao xoan, ARN
-Polimeraza, enzim ADN polimeraza,
ligaza
NT ban bao toan
1 Thao xoan phan Ill' ADN
2 Tong hqp m;;ich ADN m&i:
+ M;;ich goc: dU'Q'C tong hqp lien ll)c
+ M;;ich bo sung: tong hqp giim do;;in
tung do;;in Okazaki
3 Hai phan tll' ADN m&i dU'Q'C t;;io
thanh