Handwritten Apple Goodnotes Grade 12 IEB study document for DNA. Designed with clear explanations, diagrams, and concise summaries, these notes cover most key topics in alignment with the IEB Life Sciences syllabus. Through use of step-by-step approaches and detailed problem-solving techniques - le...
1952
Kings College
Maurice Wilkens and Rosalind Franklin provided X
crystallography diffraction
image
·
ray
approach
·
James Watson and Francis Crick used Wilkens' Franklin's work to
determine DNA double helix structure received nobe prize in 1962 for
medicine
They .
physiology .
DNA Make up
Long twisted ladder.
·
,
·
two strands twist to form a stable 3 ,
dimensional Double Helix .
DNA is a biomolecule made
up
of Nucleotides monomers of DNA
Complimentary base pairs
Each nucleotide contains : ·
A T and G C
bonded weak
Sugar molecule
Deoxyribose Bases
together by
·
1 . are
.
2
Phosphate molecule
Hydrogen bonds.
bonds , bonds
.
3
Nitrogenous base ·
T M+ 2 He C+ G 3 He
A and G
Adenine A Guanine G
·
Purines two fused of Nu Hz and Carbon
-
↑ 1 and C
,
rings ,
Thymine T Cytosine C
Pyrimidines ring
of similar atoms much smaller
.
one
,
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 angelonkosi. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.13. You're not tied to anything after your purchase.