'Complimentary base pairs' presentation slideshows

??????????? ? Science of Molecular Organization: Lecture 1

??????????? ? Science of Molecular Organization: Lecture 1. Objective and outline

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MOLECULAR GENETICS

MOLECULAR GENETICS. DNA- deoxyribonucleic acid. 1953- James Watson and Francis Crick discover the structure of the DNA molecule DNA is a double helix ( twisted ladder). The sides of molecule are:. 1. a sugar molecule called deoxyribose 2. a phosphate group .

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Nucleic Acids and the RNA World

Nucleic Acids and the RNA World. Chapter 4. Nucleotide Structure. The RNA World. What defines life from non-life? 1st thing is replication The first step in the evolution of life was the formation of a self-replicating molecule. That molecule was probably RNA. Nucleotide.

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Nucleic Acids and the RNA World

Nucleic Acids and the RNA World. Chapter 4. Nucleotide Structure. The RNA World. What defines life from non-life? 1st thing is replication The first step in the evolution of life was the formation of a self-replicating molecule. That molecule was probably RNA. Nucleotide.

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DNA Structure

DNA Structure. IB Topics 3 and 7. #1. DNA Structure (an overview). DNA has three main components 1. deoxyribose (a pentose sugar) 2. base (there are four different ones) 3. phosphate. #2. The Bases. They are divided into two groups Pyrimidines and purines

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Chapter 9 Section 2

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DNA Replication

DNA Replication. Cell Cycle. Two stages in Cell Cycle: Growth stage: Interphase Division stage: Mitosis: the separation of DNA and organelles into two identical copies. * Prophase, Metaphase, Anaphase, Telophase

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DNA Structure

4.2. DNA Structure. It was determined that DNA comprises of three main components: deoxyribose sugar, phosphate group (-), nitrigenous base.

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DNA Replication

DNA Replication. Cell Cycle. Two stages in Cell Cycle: Growth stage: Interphase Division stage: Mitosis Cytokinesis Leads to the formation of two IDENTICAL daughter cells. DNA Replication. During Interphase DNA within the nucleus duplicates.

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DNA & RNA Structure

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DNA Structure and Function

DNA Structure and Function. The Structure of DNA.

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