Bio 100 – Guide 03
http://www.nevtron.si/borderline/dna.gif
Monomers
vs
Polymers
http://sps.k12.ar.us/massengale/glucose.gif
http://www.langara.bc.ca/biology/mario/Assets/Amylopectin.jpg
cturer.ukdw.ac.id/dhira/BacterialStructure/BactStructImages/aminoacids.GIF
Primary
Secondary
Space Filling
Model
Tertiary
http://consurf.tau.ac.il/2vaa1.gif
Nucleic Acids are Polymers – DNA and RNA
http://cyberlab.lh1.ku.ac.th/elearn/faculty/veterin/vet69/NUCLEIC_DREAMMX/PICTURE/PICTURE/P_05_3.gif
Alfred Hershey and Martha Chase
http://www2.carthage.edu/~pfaffle/hgp/ChaseHershey_1953.jpg
1953
http://oceanworld.tamu.edu/resources/oceanography-book/Images/BacteriophageCartoon.jpg
http://www.mun.ca/biology/scarr/expt.gif
Frederick Griffith's Experiment - 1928
Pneumococci in culture,
has two forms: rough
form (left), smooth
form (right)
Transformed!
Avery–MacLeod–McCarty Experiment - 1944
Showed that DNA was the factor in Transformation – i.e. the genetic
Erwin Chargaff.
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/B/BasePairing.gif
http://www.amphilsoc.org/library/mole/c/chargaff.jpg
http://www.fossilmuseum.net/images/WatsonCrick/watsonCrick.jpg
http://bioweb.wku.edu/asp/bisc/images/WatsonCrick.jpg
http://www.depts.ttu.edu/hs/hdfs3390/watson-crick.gif
The famous photograph
taken by Rosalind
Franklin, showing the
clear cross shape
pattern of DNA by xray diffraction and
which aided Watson
and Crick to decipher
the double helix
structure of DNA.
http://www.hmc.org.qa/hmc/heartviews/H-V-v4%20N1/F2.jpg
http://www.kcl.ac.uk/depsta/ppro/dna/exhibitions.html
DNA is Double Stranded
DNA is a Double Stranded Helix
Copying DNA is Called Replication
http://ed.augie.edu/~bebecker/Termpaper/dna.gif
http://www.chemsoc.org/ExemplarChem/entries/2003/imperial_Burgoine/basepair.jpg
The Chemistry of DNA is Unique
•Has a "melting temperature"
•Long and thin - easily broken
•Packing problem
•Can use the base pairing to break
and re-assemble pieces
http://intermed.med.uottawa.ca/Pathology/devel/images/text_figure12.gif
http://library.thinkquest.org/C0123260/basic%20knowledge/images/basic%20knowledge/RNA/genetic%20code.jpg
http://www.wiley.com/legacy/college/boyer/0470003790/structure/tRNA/trna_diagram.gif
http://fig.cox.miami.edu/~cmallery/150/cells/ribosome.jpg
http://publications.nigms.nih.gov/insidethecell/images/ch2_ribosome_proteinbig.jpg
http://fig.cox.miami.edu/~cmallery/150/gene/c7.17.16ribosome.jpg
Shotgun Sequencing of DNA
http://www.entu.cas.cz/fyziol/seminars/genome/shotgun.jpg
http://www.bioinfo.org.cn/lectures/MappingProcedure.jpg
http://www.scielo.cl/fbpe/img/bres/v35n3-4/34.jpg
The End