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Lecture 4

BIOLOGY 1A03 Lecture Notes - Lecture 4: Dna Replication, Isotopes Of Nitrogen, Base Pair


Department
Biology
Course Code
BIOLOGY 1A03
Professor
Rosa Da Silva
Lecture
4

This preview shows pages 1-3. to view the full 10 pages of the document.
Theme 4: Module 2: Replication
Unit 1: Transmission of Information
Genetic Information is copied
-
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

 !"
#
-$!%&'!
&'
Model for Semiconservative Replication
-(!)

*!
&'
-&'
*!
!!

- Each strand being
complementary means that
they contain information
necessary to reconstruct the
other
-&'*
"
!
-&'+
*!
&'"

*!,semiconservative model
Unit 2: Evidence for the Semiconservative Model
--*
conservative*!
*dispersive*
+!&'
-
!
.
(/
"&'
""
-0*12
nucleotide precursors!radioactively labeled"
34
-5!)34
-1"!!)

Only pages 1-3 are available for preview. Some parts have been intentionally blurred.

-1+&'!&'
&'6
"
-&'"#!)
*
-
&'
!!
-'!)*
&'!!*

-5hybrid of 14N and 15N DNA

Only pages 1-3 are available for preview. Some parts have been intentionally blurred.

- Rejected the conservative model&'*"
!"#&'
-'!!")%

-(!*+&'
7*!)*!)
-!!+!!,
semiconservative
Semiconservative Chromosome Replication
-&&'
8
-9"!
:
-'!+
&'
:!
&'
-(!*
hybrid and
fully labeled nucleotides,"
:
&'!
-/!!
Unit 3: Replicating DNA
Initiating Replication
-;/% 
&'origins of
replication
-<=
6!
- Prokaryotes:
*

%%DNA Synthesis Occurs from 5’ to 3’
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