DNA Replication. Genes as Information Transfer A gene is the sequence of nucleotides within a portion of DNA that codes for a peptide or a functional.

Slides:

Advertisements

Similar presentations

DNA Replication (Sect 11.3) Objectives: Describe the structure and function of DNA and its role in the process of DNA replication.

Advertisements

DNA Review What does DNA store that is important? If a DNA strand read AGT-CCG-GTA what would the complimentary strand read? What holds the nitrogen bases.

DNA Showdown! Write your answer on your whiteboard Do not show your neighbor!! DO NOT yell out the answer!! Wait for me to tell you when it’s time to show.

DNA Replication DNA is replicated before cell division, when a cell divided into two cells.

DNA Past Paper Questions. 1. Draw as simple diagram of the molecular structure of DNA. 5 marks.

Goal: Students will be able to explain how DNA was identified as the genetic material, describe the basic processes of replication, transcription, and.

DNA Replication.

DNA Replication. Cell Division and DNA Replication Cells divide -->Growth, Repair, Replacement Before cells divide they have to double cell structures,

DNA Replication. Why is DNA Replication needed? When cells are dividing… During Interphase of Mitosis & Meiosis DNA must be copied so that each new cell.

DNA & DNA Replication. History DNA DNA Comprised of genes In non-dividing cell nucleus as chromatin Protein/DNA complex Chromosomes form during cell division.

DNA Structure DNA consists of two molecules that are arranged into a ladder-like structure called a Double Helix. A molecule of DNA is made up of millions.

Chromosome Gene DNA  So when a cell divides, the new cells have a complete set of DNA instructions.

DNA Replication!.

3.4 & 7.2 DNA Replication Pp 16 – 19 & Pp 58 – 60 &

:P. DNA replication is a semi-conservative process. One strand serves as the template for the second strand. DNA replication is initiated at a region.

Bellwork  What base pairs with adenine?  What base pairs with cytosine?

Class Notes 2: DNA Replication. Replication Process.

DNA Replication Every time a cell reproduces by mitosis or a gamete is formed by meiosis, DNA is copied during Interphase in a process called replication.

DNA Replication What is replication? When does replication occur? Why do we need replication?

DNA Replication.

REPLICATION: How do we get more DNA?. Definition: The process of synthesizing a new strand of DNA.

DNA REPLICATION Chapter 11, Section 1. DNA Review What is the building block of DNA? Nucleotides What is the shape of DNA? Double Helix What holds together.

8.3 DNA Replication KEY CONCEPT General Description: DNA replication copies the genetic information of a cell.

DNA Replication IB Topic 3.4 Campbell Chapter 16.

3 Question Challenge – 1/4 1. The complementary base to Adenine in DNA is ________? 2. The 3 parts of a nucleotide are a nitrogen base (A,T, C, or G);

DNA Replication.

DNA Replication. The structure of DNA consists of two polynucleotide strands wrapped around each other in a double helix Figure 10.3C Twist 1 chocolate.

Learning Objectives Know how DNA replicates Models of replication Evidence for Semi-Conservative Replication.

{ DNA Replication.  When DNA makes an exact copy of itself.  Required step before cell division (making new cells).  DNA is the template / Enzymes.

Do Now  What is replication?  Where does this take place?

DNA Replication. Beginning of DNA Replication Begins at Origins of Replication Two strands open forming Replication Forks (Y-shaped region) New strands.

DNA Replication.

DNA Structure and Replication REVIEW GAME

Chapter 25 DNA replication.

There’s one last thing you need to know about DNA structure…

BIOLOGY 12 DNA Replication.

DNA Replication.

DNA Replication.

KEY CONCEPT DNA replication copies the genetic information of a cell.

DNA Replication Notes Unit 5.

DNA Replication.

Bell Work What are the base pairs?

copyright cmassengale

DNA Replication.

DNA Replication.

Chapter 13 packet: DNA and Protein Synthesis Part I

Do Now!!  Why must DNA be replicated?

January 6, 2017 Objective: To be able to explain and model how DNA replicates To describe how the structure of DNA relates to how it replicates Journal:

DNA REPLICATION AND REPAIR

DNA Replication.

KEY CONCEPT DNA replication copies the genetic information of a cell.

DNA Replication.

BIOLOGY 12 DNA Replication.

DNA Replication.

KEY CONCEPT DNA replication copies the genetic information of a cell.

DNA and the Genome Key Area 2a Replication of DNA.

DNA Replication Helicase DNA Polymerase DNA Ligase

Steps of DNA Replication

Do Now What is replication? Where does this take place?

DNA Replication.

DNA Replication Hydrogen bonds Nucleotide Sugar-phosphate backbone Key

DNA Replication.

3.4 The genetic code and cell function

KEY CONCEPT DNA replication copies the genetic information of a cell.

DNA structure DNA is made of subunits called Nucleotides

Enzymes involved in DNA Replication & Transcription

Presentation transcript:

DNA Replication

Genes as Information Transfer A gene is the sequence of nucleotides within a portion of DNA that codes for a peptide or a functional RNA A gene is the sequence of nucleotides within a portion of DNA that codes for a peptide or a functional RNA Sum of all genes = genome Sum of all genes = genome

DNA Replication is Semiconservative Each strand of the parent DNA is used as a template to make the new daughter strand Each strand of the parent DNA is used as a template to make the new daughter strand DNA replication makes 2 new complete double helices each with 1 old and 1 new strand DNA replication makes 2 new complete double helices each with 1 old and 1 new strand

Steps in DNA Replication DNA helicase breaks the hydrogen bonds holding bases together DNA polymerase adds new complementary nucleotides to each original strand from 5’ to 3’ Each new DNA molecule is identical to the parent DNA molecule and is composed of an original strand and a new strand.