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Strategies in the interfield discovery of the mechanism of protein
Strategies in the interfield discovery of the mechanism of protein

... bonds. Zamecnik and his colleagues, especially Mahlon Hoagland, sought to understand energetic intermediates between free amino acids and their linkage in polypeptides (recalled in Zamecnik, 1962a, 1969; Hoagland, 1990, 1996). They were thus working backward from peptide bonds to the mechanisms of p ...
Summary of Life Itself
Summary of Life Itself

... Directed Panspermia is clearly a well- grounded, firmly built theory that could be the possible reason for the existence of life today. If one cannot fulfill Crick’s modest request to consider his theory to be more that just science fiction then I seriously doubt if that person is anything but a sel ...
The Genetic Code: Francis Crick`s Legacy and Beyond
The Genetic Code: Francis Crick`s Legacy and Beyond

... the three bases of DNA code for one amino acid [7]. That was the moment that scientists cracked the code of life. However, ironically, the first decoding of the “word” of the genetic code was reported in the same year by a non-member of the RNA Tie Club, Marshall Nirenberg, who spoke at the Internat ...
Slide 1
Slide 1

... Categories’ levels have certain point values Higher point values are generally more difficult questions You MUST state your response in the form of a QUESTION ...
AP Biology
AP Biology

... “It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material.” James Watson Francis Crick ...
Ch 5 Nucleic Acids Powerpoint 2012
Ch 5 Nucleic Acids Powerpoint 2012

...  Replication ...
25Ch03nucleicacids2008
25Ch03nucleicacids2008

... DNA replication “It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material.” James Watson Francis Crick ...
APNucleic Acids
APNucleic Acids

Nucleic Acids - Biology Junction
Nucleic Acids - Biology Junction

... spiraled in a double helix  double helix 1st proposed as structure of DNA ...
DNA AP Bioloy
DNA AP Bioloy

... spiraled in a double helix  double helix 1st proposed as structure of DNA ...
Chp 5 nucleicacids0-1
Chp 5 nucleicacids0-1

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Nucleic Acids

... DNA replication “It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material.” James Watson Francis Crick ...
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16Discovery Of DNA

... number of adenines was approximately equal to the number of thymines (%T = %A). • The number of guanines was approximately equal to the number of cytosines (%G = %C). ...
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EB nucleic acids AP

...  In DNA, G=C and A=T  If 27% are G, then 27% are C: 54% G=C  Therefore 46% of bases are A=T;  23% thymine and 23% adenine ...
In 1953 Watson and Crick developed a double helix model for DNA
In 1953 Watson and Crick developed a double helix model for DNA

... other. That means that one strand is “_____________________” compared to the other. The 2 nucleic acid strands are held together by ____________ _ _____________ between the nitrogen bases. When the nitrogen bases bond together they follow a specific pairing rule called ______________________________ ...
bioknowledgy note pkt - Peoria Public Schools
bioknowledgy note pkt - Peoria Public Schools

... 2. Molecular Biology (Core) – 2.6 Structure of DNA and RNA Name: ...
2. Molecular Biology (Core) – 2.6 Structure of DNA and RNA Name
2. Molecular Biology (Core) – 2.6 Structure of DNA and RNA Name

... 2. Molecular Biology (Core) – 2.6 Structure of DNA and RNA Name: ...
The impact on advancement of science
The impact on advancement of science

... . Firstly, it set the cornerstone for the study of DNA replication and genetic code. Secondly, it opened the door for the surge of molecular biology and genetic engineering. Genetic engineering helps to better understand gene function and regulation. A good example is transgenic mice: “Transgenic mi ...
history of dna - My George School
history of dna - My George School

... Wilkins made crystal Franklin made image Franklin analyzed image Wilkins secretly shared analysis with Watson & Crick ...
DNA Timeline Assignment
DNA Timeline Assignment

... It took him eight years and more than 10,000 pea plants to discover the laws of inheritance. _____________________________________________ ...
KS4 - Contemporary Science Issues | Home
KS4 - Contemporary Science Issues | Home

... understanding the structure of DNA. His instinctive reaction gave him the idea which brought together all the scientific information at that time. Using Rosalind’s information he worked with Crick to make ball and stick models of DNA. They published their work in 1953 and were hailed as the discover ...
The Structure of DNA
The Structure of DNA

... Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings ...
投影片 1
投影片 1

... In 1954, Dr James Watson and Dr Francis Crick identified the structure of DNA, the cellular material that carries genetic codes. They found that DNA is made up of two protein strands connected by a phosphate backbone, forming what they termed the "double helix." Watson and Crick's discovery of the d ...
Pioneer Molecular Biologist - St. Helens School District
Pioneer Molecular Biologist - St. Helens School District

... James Dewey Watson was born on 6 April 1928 in Chicago and studied at the universities of Chicago, Indiana and Copenhagen. He then moved to Cambridge University. Watson and Crick worked together on studying the structure of DNA (deoxyribonucleic acid), the molecule that contains the hereditary infor ...
Hershey Chase Experiment
Hershey Chase Experiment

... hypothesis Must employ criteria of the natural world Must not be biased toward either hypothesis (Could support either) ...
1 >

James Watson



James Dewey Watson (born April 6, 1928) is an American molecular biologist, geneticist and zoologist, best known as one of the co-discoverers of the structure of DNA in 1953 with Francis Crick. Watson, Crick, and Maurice Wilkins were awarded the 1962 Nobel Prize in Physiology or Medicine ""for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material"".Watson earned degrees at the University of Chicago (B.S., 1947) and Indiana University (Ph.D., 1950). Following a post-doctoral year at Copenhagen University with Herman Kalckar and Ole Maaloe, Watson next worked at the University of Cambridge's Cavendish Laboratory in England, where he first met his future collaborator and friend Francis Crick.From 1956 to 1976, Watson was on the faculty of the Harvard University Biology Department, promoting research in molecular biology. From 1968 he served as director of Cold Spring Harbor Laboratory (CSHL) on Long Island, New York, greatly expanding its level of funding and research. At CSHL, he shifted his research emphasis to the study of cancer, along with making it a world leading research center in molecular biology. In 1994, he started as president and served for 10 years. He was then appointed chancellor, serving until 2007 when he resigned his position after making controversial comments claiming a link between intelligence and geographical ancestry. Between 1988 and 1992, Watson was associated with the National Institutes of Health, helping to establish the Human Genome Project.Watson has written many science books, including the textbook Molecular Biology of the Gene (1965) and his bestselling book The Double Helix (1968) about the DNA structure discovery, reissued in a new edition in 2012 - The Annotated and Illustrated Double Helix edited by Alex Gann and Jan Witkowski.
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