'Phosphodiester bonds' presentation slideshows

UNIT 2

UNIT 2. DNA Replication. Objectives Discuss experimental evidence supporting semi- conservative mechanism of DNA replication Explain DNA replication in Prokaryotes and Eukaryotes Define mutation Identify different types of mutations and their effects on the protein products produced.

967 views • 74 slides

Molecular Biology (BIO1004/2001)

Molecular Biology (BIO1004/2001). Kathleen Lobban Kathleenlobban@yahoo.com. MODULE CONTENT Structure of DNA DNA Replication Transcription and Protein synthesis Molecular Biology Techniques Recombinant DNA technology Gene Expression and Regulation in Prokaryotes and Eukaryotes.

824 views • 62 slides

STRUCTURE OF DNA 1. primary structure 2. secondary structure 3. tertiary structure

STRUCTURE OF DNA 1. primary structure 2. secondary structure 3. tertiary structure. PRIMARY STRUCTURE OF DNA. James Watson Francis Crick 1962 Nobel Prize. http://www.sciencemag.org/cgi/content/full/300/5617/255. http://www.lecb.ncifcrf.gov/~toms/icons/Watson.Crick.Nature.jpg.

4k views • 58 slides

Organic Molecules

Organic Molecules. CHNOPS = elements of life. Monomers. Simple organic molecules that exists individually or can link with other monomers Examples: monosaccharide, amino acid, nucleotide. Polymers. Many monomers linked together Example: carbohydrates, protein, nucleic acid. Carbohydrate.

526 views • 30 slides

Enzymes in Genetics Engineering

Enzymes in Genetics Engineering. Restriction Enzymes & Ligase. These are used to make recombinant DNA. Two important first steps in cloning require two enzymes. 1. Restriction Enzymes Bacterial enzymes that cut at specific restriction site sequences Cut DNA by breaking phosphodiester bonds

1.13k views • 29 slides

DNA Replication

734 views • 29 slides

MBB 407/511 Lecture 17: Structures of DNA and RNA (Part II)

571 views • 26 slides

DNA STRUCTURE

496 views • 26 slides

DNA STRUCTURE

756 views • 26 slides

DNA Structure

DNA Structure. Will Fagan IB Biology 2011. 3.3 DNA Structure. DNA- Deoxyribonucleic acid Each nucleotide of DNA is composed of a phosphate group, a sugar called deoxyribose and a molecule that is called a nitrogenous base. . Nitrogenous Bases . Adenine Thymine Guanine Cytosine

297 views • 22 slides

DNA & RNA Structure

DNA & RNA Structure. Fig 1.9. Deoxyribonucleic acid (DNA) is the genetic material Stores genetic information in the form of a code: a linear sequence of nucleotides. Replicated by copying the strands using each as a template for the production of the complementary strand.

251 views • 21 slides

Biotechnology

Biotechnology . Chapter 13. Recombinant DNA . Tools used Restriction enzymes Gel electrophoresis DNA ligase. Restriction enzymes. Cut double stranded DNA into smaller fragments restriction sites Sticky ends Blunt ends . Gel electrophoresis. Separate and purify DNA fragments

275 views • 17 slides

Dna replication

Dna replication. SBI4U0 Ms. Manning. DNA Replication. Produces two identical copies of the chromosome during S phase of interphase Catalyzed by many enzymes including: DNA polymerase, helicase , ligase and primase

453 views • 17 slides

Gene Technology

Gene Technology. At the beginning:. Studies using interferon: Interferon increases human resistance to viral infection and scientists were interested in its possible usefulness in cancer therapy. It was rare in the blood and needed in large quantities for study.

309 views • 17 slides

11.1 Replication of DNA

322 views • 16 slides

WHAT ARE RESTRICTION ENZYMES?

461 views • 13 slides

Nucleic Acids

Biochemistry Unit. Nucleic Acids. Nucleic Acids.

348 views • 13 slides

The Role of RNA as a Catalyst

The Role of RNA as a Catalyst. Zhenzi Lee 12/11/2005. The role of nucleic acids and proteins. In 1970s: Proteins made things happen in the cell Nucleic acids informational molecules. Enzymes accelerated the rates of chemical reactions.

283 views • 13 slides

Forensic Biology by Richard Li

Chapter 14: DNA Amplification by Polymerase Chain Reaction. Forensic Biology by Richard Li. Basic Principles. Polymerase Chain Reaction (PCR) Exponential amplification of specific sequences of DNA to yield sufficient amplified product: Amplicons Highly sensitive Can amplify small quantities

239 views • 8 slides

No phosphodiester bond

No phosphodiester bond. DNA strands held together only by Hydrogen bonds. No phosphodiester bond. Ligase added. phosphodiester bonds formed By ligase joins the two DNA fragments.

103 views • 1 slides