'Rosalind franklin' diaporamas de présentation

THE HUMAN LIFE CYCLE and CELL DIVISION

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Chapter 14.

Chapter 14. DNA The Genetic Material Replication. Nature of DNA. Stores complete instructions for making proteins Passes instructions on to new cells Copies itself flawlessly Can put instructions into action Sometimes changes. Scientific History.

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DNA Structure and Replication

DNA Structure and Replication. Chapter Nine. 2005. We know: DNA is the hereditary material DNA has a double helix structure Made of four bases; A,T,C,G Sugar-Phosphate backbone DNA replication is semi-conservative How to do PCR How did we gain all this knowledge?.

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DNA: Deoxyribose Nucleic Acid The Genetic Material

DNA: Deoxyribose Nucleic Acid The Genetic Material. Chapter 2: Introduction to DNA. DNA. D eoxyribose n ucleic a cid ? type of nucleic acid What is the other type of nucleic acid? RNA DNA function to hold genetic code Genetic code = genetic instructions to make proteins

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Astronomy 1020-H Stellar Astronomy Spring_2014 Day-6

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Genes and DNA

Genes and DNA. DNA. Deoxyribonucleic acid Chromosomes are made of DNA Made of nucleotides. DNA Shape. Double helix (twisted ladder). Nucleotides. Made of : Sugar (ribose) Phosphate Base . The 4 bases. Adenine (A) Thymine (T) Guanine (G) Cytosine (C). The pairing of bases.

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Molecular Basis of Heredity

Molecular Basis of Heredity . Warm-Up / EOC Prep. 1. When nuclear membranes form and the cell separates, _____ has occurred. A. chromatid B. telophase C. prophase D. metaphase 2. During the interphase before both mitosis and meiosis occur, ______. A. one division occurs

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DNA

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Medicine 1350-Present Day Changing explanations 0f the causes of illness and disease

Medicine 1350-Present Day Changing explanations 0f the causes of illness and disease. Ideas of the Causes of Disease 1350-1750. The Ideas of Hippocrates: Greek Doctor (Ancient Greece around 600BC onwards.) They believed mainly that the gods caused disease.

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Lesson Overview

Lesson Overview. 12.2 The Structure of DNA. The Components of DNA. What are the chemical components of DNA? DNA is a nucleic acid made up of nucleotides joined into long strands or chains by covalent bonds. Nucleic Acids and Nucleotides.

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The cell contains the genetic material responsible for inherited characteristics.

The cell contains the genetic material responsible for inherited characteristics. The resemblances between offspring and parents of species that sexually reproduce is due to inherited characteristics called traits .

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Discovering the structure of DNA

Discovering the structure of DNA. DNA = D eoxyribose n ucleic a cid. Made out of sugars (deoxyribose), phosphates and nitrogen bases. Discovering the structure of DNA. Structure was discovered in 1953 by James Watson and Francis Crick. Discovering the structure of DNA.

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DNA

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Discovery of DNA

Discovery of DNA. By Sonali Patel. Friedrich Miescher. 1869 was the starting point of DNA discovery. Swiss Chemist Friedrich Miescher was the first to identify DNA as an important unique molecule. Identified nuclein

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The Structure of DNA

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What is a Scientist?

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Structure of DNA and the history of its discovery

Structure of DNA and the history of its discovery. Function of DNA. DNA is the genetic material of the cell The structure of DNA must allow: the storage and transmission of genetic information exact replication to occur. Genes code for proteins.

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The Structure of DNA

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DNA The Genetic Material

DNA The Genetic Material. Scientific History . The march to understanding that DNA is the genetic material T.H. Morgan (1908) Frederick Griffith (1928) Avery, McCarty & MacLeod (1944) Erwin Chargaff (1947) Hershey & Chase (1952) Watson & Crick (1953) Meselson & Stahl (1958).

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