Summary
Summary molecular genetics
- Course
- Institution
- Book
Summary and glossary based on the 9th edition of mastering biology. Text contains many useful illustrations.
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
More summaries for
-
Test Bank Campbell Biology All Chapters with Correct Answers
-
Test Bank for Campbell Biology 12th Edition ||All Chapters 1-56||Full Complete||Latest 2024
-
Test Bank for Campbell Biology 12th Edition ||All Chapters 1-56||Full Complete||Latest 2025
Seller
Follow
morg
Reviews received
Content preview
Moleculaire genetica16.1
In 1953, James Watson and Francis Crick introduced an elegant double-helical
model for the structure of deoxyribonucleic acid (DNA); Hereditary information is
encoded in DNA and reproduced in all cells of the body. This DNA program directs the
development of biochemical, anatomical, physiological, and (to some extent)
behavioral traits. DNA is copied during DNA replication, and cells can repair their
DNA
Evidence That DNA Can Transform Bacteria
Griffith worked with two strains of a bacterium, one pathogenic and one harmless.
When he mixed heat-killed remains of the pathogenic strain with living cells of the
harmless strain, some living cells became pathogenic. He called this phenomenon
transformation, now defined as a change in genotype and phenotype due to
assimilation of foreign DNA. Zie Figuur 1
Figuur 1
Evidence That Viral DNA Can Program Cells
More evidence for DNA as the genetic material came from studies of viruses that
infect bacteria. Such viruses, called bacteriophages (or phages), are widely used in
molecular genetics research. A virus is DNA (sometimes RNA) enclosed by a
protective coat, often simply protein.
In 1952, Alfred Hershey and Martha Chase performed experiments showing that DNA
is the genetic material of a phage known as T2. To determine the source of genetic
material in the phage, they designed an experiment showing that only one of the two
1
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller morg. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $6.14. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now