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Transduction
Transduction

... Transduction is the process by which cellular genes can be transferred from a donor to a recipient cell by a virus particle (phage-mediated transfer), the recipient being known as a transductant following transfer . This process is normally highly specific for phage DNA. However, with some phages, e ...
What is Biotechnology - Chariho Regional School District
What is Biotechnology - Chariho Regional School District

... Students will identify natural sources of potential biotechnology products. They will investigate how antibiotics can be harvested from natural sources like fungi. They will also be introduced to the basic principles of genetic engineering and will see how bacteria can be transformed to produce a pr ...
Transcription Activity Guide
Transcription Activity Guide

... (2) translation. Transcription is the process in which DNA is used as a template to produce a singlestranded RNA molecule. Translation is the process in which the DNA code, now contained in the singlestranded RNA, is deciphered into a sequence of linked amino acids that become a protein. In eukaryot ...
BIOT 3 Lab 3 Handout 1
BIOT 3 Lab 3 Handout 1

... plasmid DNA may hinder the quality of downstream experiments. For example, visualization of DNA bands after running gel electrophoresis may be difficult due to the low DNA concentration. Therefore, before continuing with restriction enzyme digests on the pET3a plasmid, we’ll repeat the miniprep and ...
Lecture 27
Lecture 27

Isolating, Cloning and Sequencing DNA
Isolating, Cloning and Sequencing DNA

... through the gel, denaturing the dsDNA fragments there. The ssDNA on the gel is then drawn upwards onto the nitrocellulose membrane, and binds to it, being in exactly the same position as they were in the gel ...
Picture of the Day 3/19/07 - Woodland Hills School District
Picture of the Day 3/19/07 - Woodland Hills School District

DNA - Images
DNA - Images

DNA & RNA
DNA & RNA

DNA Marker - Faperta UGM
DNA Marker - Faperta UGM

Recombinant DNA technology
Recombinant DNA technology

... DNA inside living cell to generate large population of cells containing identical copies of this type of DNA. The objective of cloning is to replicate recombinant DNA in large amounts, so that it can be used for genetic analysis. ...
Biology
Biology

File
File

Nylon/DNA: Single-Stranded DNA with a Covalently Stitched Nylon
Nylon/DNA: Single-Stranded DNA with a Covalently Stitched Nylon

... During the past half-century the known functions of nucleic acids have expanded from genetic information carriers and messengers to include catalysis and regulation of a number of cellular processes.1 In addition, many nucleic acid-based structures have been developed with medicinal applications, ca ...
Uracil-DNA Glycosylase (UDG)
Uracil-DNA Glycosylase (UDG)

... In PCRs even minuscule amounts of a contaminant can be amplified and lead to a false positive result. Such contaminants are often come from previous PCRs (carry-over contamination). Therefore, researchers have developed methods to avoid such contamination. One common strategy is substituting dUTP fo ...
2420 Topics for Examination II
2420 Topics for Examination II

... of these are involved in human disease? Know the terms for the various preferences for oxygen, CO2, salt (osmotic pressure), temperature, and pH. Which of these terms pertain most to microorganisms found on or in human beings? What do obligate and facultative mean? Know specific terms most likely to ...
Name: Date: Genetic Engineering Notes Selective Breeding: People
Name: Date: Genetic Engineering Notes Selective Breeding: People

Introduction - OpenWetWare
Introduction - OpenWetWare

... ligases can join the ends of two different DNA fragments, or join the two ends of a single fragment. There are two types of ligation, called sticky-end ligation and blunt-end ligation, whose names refer to the presence or absence of short overhangs on the ends of the DNA being ligated. Blunt-end lig ...
Molecular Typing Of microorganisms
Molecular Typing Of microorganisms

...  Nucleic acid hybridization is the formation of a ...
AP Biology Genes Review Questions Experiments by Avery
AP Biology Genes Review Questions Experiments by Avery

Casework Genetics Uses Illumina Technologies to Decipher
Casework Genetics Uses Illumina Technologies to Decipher

... Proprietary Software Analyzes Raw SNP Data To keep up with the scale of data that Casework Genetics is generating, Dr. McElfresh and his team developed Forensic SNP Analysis Software, an automated analysis tool to handle the large data set produced by this type of sample processing. It was built upo ...
Transcript
Transcript

... After the strands of DNA have been separated by DNA helicase and single-stranded binding proteins, DNA replication begins by the synthesis of short strands of, surprisingly, RNA. These strands, called RNA primers, are complementary to the template strands of DNA. The synthesis of RNA primers is cata ...
A rapid one-tube genomic DNA extraction process
A rapid one-tube genomic DNA extraction process

Research Paper Genotyping the Entire Colony of Transgenic Mice
Research Paper Genotyping the Entire Colony of Transgenic Mice

... The top layer consists of Iso-Amyl Alcohol and other unnecessary components, while the bottom layer consists of mainly DNA. The purpose of adding Iso-Amyl Alcohol is to aid in the separation of the other components from the DNA. Draw out the top layer and discard it, leaving the rest of the solution ...
RAP80
RAP80

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Maurice Wilkins



Maurice Hugh Frederick Wilkins CBE FRS (15 December 1916 – 5 October 2004) was a New Zealand-born English physicist and molecular biologist, and Nobel Laureate whose research contributed to the scientific understanding of phosphorescence, isotope separation, optical microscopy and X-ray diffraction, and to the development of radar. He is best known for his work at King's College, London on the structure of DNA which falls into three distinct phases. The first was in 1948–50 where his initial studies produced the first clear X-ray images of DNA which he presented at a conference in Naples in 1951 attended by James Watson. During the second phase of work (1951–52) he produced clear ""B form"" ""X"" shaped images from squid sperm which he sent to James Watson and Francis Crick causing Watson to write ""Wilkins... has obtained extremely excellent X-ray diffraction photographs""[of DNA]. Throughout this period Wilkins was consistent in his belief that DNA was helical even when Rosalind Franklin expressed strong views to the contrary.In 1953 Franklin instructed Raymond Gosling to give Wilkins, without condition, a high quality image of ""B"" form DNA which she had unexpectedly produced months earlier but had “put it aside” to concentrate on other work. Wilkins, having checked that he was free to personally use the photograph to confirm his earlier results, showed it to Watson without the consent of Rosalind Franklin. This image, along with the knowledge that Linus Pauling had published an incorrect structure of DNA, “mobilised” Watson to restart model building efforts with Crick. Important contributions and data from Wilkins, Franklin (obtained via Max Perutz) and colleagues in Cambridge enabled Watson and Crick to propose a double-helix model for DNA. The third and longest phase of Wilkins' work on DNA took place from 1953 onwards. Here Wilkins led a major project at King's College, London, to test, verify and make significant corrections to the DNA model proposed by Watson and Crick and to study the structure of RNA. Wilkins, Crick and Watson were awarded the 1962 Nobel Prize for Physiology or Medicine, ""for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material.""
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