[permalink] [id link]
Hershey and Chase showed that the introduction of deoxyribonuclease ( referred to as DNase ), an enzyme that breaks down DNA, into a solution containing the labeled bacteriophages did not introduce any < sup > 32 </ sup > P into the solution which demonstrated that the phage, while intact, is resistant to the enzyme.
from
Wikipedia
Some Related Sentences
Hershey and Chase
The exact nature of the transforming principle ( DNA ) was verified in the experiments done by Avery, McLeod and McCarty and by Hershey and Chase.
The Hershey – Chase experiments were a series of experiments conducted in 1952 by Alfred Hershey and Martha Chase that helped to confirm that DNA was the genetic material.
In their experiments, Hershey and Chase showed that when bacteriophages, which are composed of DNA and protein, infect bacteria, their DNA enters the host bacterial cell, but most of their protein does not.
Although the results were not conclusive, and Hershey and Chase were cautious in their interpretation, previous, contemporaneous and subsequent discoveries all served to prove that DNA is the hereditary material.
The results of the Avery-MacLeod-McCarty experiment, published in 1944, suggested that DNA was the genetic material, but there was still some hesitation within the general scientific community to accept this, which set the stage for the Hershey – Chase experiment.
Hershey and Chase, along with others who had done related experiments, confirmed that DNA was the biomolecule that carried genetic information.
Hershey and Chase were testing two competing hypotheses.
Hershey and Chase needed to be able to examine different parts of the phages they were studying separately, so they had to be able to isolate the phage subsections.
Thus, the Hershey – Chase experiment helped confirm that DNA, not protein, is the genetic material.
Hershey and Chase were also able to prove that the DNA from the phage is inserted into the bacteria shortly after the virus attaches to its host.
Hershey and Chase concluded that DNA, not protein, was the genetic material.
Hershey and Chase ’ s experiment concluded that little sulfur containing material entered the bacterial cell.
Hershey and Chase concluded that protein was likely not the hereditary genetic material.
Once the Hershey – Chase experiment was published, the scientific community generally acknowledged that DNA was the genetic code material.
The Hershey – Chase experiment, its predecessors, such as the Avery-MacLeod-McCarty experiment, and successors served to unequivocally establish that hereditary information was carried by DNA.
ca: Experiment de Hershey i Chase
es: Experimento de Hershey y Chase
eo: Eksperimento de Hershey kaj Chase
fr: Expériences de Hershey et Chase
hu: Hershey – Chase kísérlet
nl: Experiment van Hershey en Chase
Hershey and showed
* 1952 — Alfred Hershey and Martha Chase showed that DNA is the genetic material in bacteriophage viruses.
Hershey and introduction
Initially they were individually wrapped by hand in squares of foil, and the introduction of machine wrapping in 1921 simplified the process while adding the small paper ribbon to the top of the package to indicate that it was a genuine Hershey product.
Hershey and referred
" Hershey is also referred to as " The Sweetest Place on Earth.
The colors of the Hershey Bears are dark brown, medium brown, tan, and and ( though the team's primary colors are often referred to as " chocolate and white "), a reference to The Hershey Company and its products.
Geographically the area referred to as Amish / Dutch country centers around the cities of Allentown, Hershey, Lancaster, Reading, and York.
Hershey and ),
* Ramesh Subramanian and Brian Goodman ( eds ), Peer-to-Peer Computing: Evolution of a Disruptive Technology, ISBN 1-59140-429-0, Idea Group Inc., Hershey, PA, USA, 2005.
An adulterous romance between Elliot and one of Hannah's sisters, Lee ( Barbara Hershey ), provides the main romantic entanglement of the film.
Its been called the " Warehouse capital of the U. S ." because of the seven warehouse / factories including Target Corporation distribution ( T-560 ), Hershey Chocolate of Virginia, McKee Little Debbie, Hollister Inc, Nibco, Ply Gem, and Sayre factory.
There are a Hershey's Chocolate Factory ( The Hershey Company ), a McKee Foods factory, and many other smaller factories.
Cameron falls in love with Nina Franklin ( Barbara Hershey ), the film's star, and is devastated to find out that she and Eli slept together before he met her.
* An Exakta is also seen in " The Public Eye " ( 1992 starred Joe Pesci and Barbara Hershey ), a Weegee inspired film about a police news photographer, set in the 1940s.
* PayDay ( confection ), a brand of candy bar made by Hershey Foods Corporation
* Sidewinder ( Hersheypark ), a steel roller coaster in Hershey, Pennsylvania
The Judge Dredd series drew heavily upon Big Finish ’ s repertory company established through their Doctor Who series with many actors crossing over such as Toby Longworth ( who voiced Dredd ), Clare Buckfield, Nicholas Briggs, Mark Donovan and Teresa Gallagher who voiced Chief Judge Hershey.
On October 6, 2010, Souray was assigned to the American Hockey League ( AHL ), being loaned to the Washington Capitals ' minor league affiliate, the Hershey Bears.
( eds )-Semiotics and Intelligents Systems Development-Idea Group Publishing, Hershey PA, USA ( 2006 ), ISBN 1-59904-063-8 ( hardcover ), 1-59904-064-6 ( softcover ), 1-59904-065-4 ( e-book ), 352 ps.
There are also of gardens, including the award-winning Hershey Children's Garden ( the first children's garden in Ohio ), the Elizabeth and Nona Evans Restorative Garden, the David and Paula Swetland Topiary Garden, the Western Reserve Herb Society Garden, the Japanese Garden, the Sears-Swetland Rose Garden, the Ohio Woodland, the C. K.
* Malted milk balls: malted milk is used in the popular candy confections Whoppers ( manufactured by Hershey Co .), Mighty Malts ( manufactured by Necco ), and Maltesers ( manufactured by Mars, Inc ).
The Portrait of a Lady ( 1996 ), based on the Henry James novel, featured Nicole Kidman, John Malkovich, Barbara Hershey and Martin Donovan.
* George Davis ( senior pastor ), Evangelical Free Church of Hershey, Hershey, PA
Five men who were acquainted with Malloy, Tony Marino, Joseph Murphy, Francis Pasqua, Hershey Green, and Daniel Kriesberg ( later dubbed " the Murder Trust " by the headlines ), plotted to take out three life insurance policies on Malloy and then get him to drink himself to death.
In the 1995 Judge Dredd film Hershey played by Diane Lane, she is portrayed as a newly graduated Judge who has been a Street Judge for only a year and is shown to be more sympathetic to perps than Dredd ( Sylvester Stallone ), and also in contrast to Dredd she has a personal life and friends.
Her next role was in a movie adaptation of another Craig Lucas play, Reckless ( 1995 ), alongside Mia Farrow, followed by Jane Campion's The Portrait of a Lady ( 1996 ), which also starred Nicole Kidman, Viggo Mortensen, Christian Bale, John Malkovich and Barbara Hershey.
In 1985, Lake Compounce was sold to Hershey Entertainment and Resorts Company ( HERCO ), which owned and still owns the very successful Hersheypark in the Harrisburg, PA area.
0.686 seconds.