CYTOGENTICS

• coined the term “nuclein”

  friedrich meischer
• found acid substance with nitrogen and phosphorus (nucleic acid)

  friedrich meischer
• isolated nuclei from WBC in pus

  friedrich meischer
• english physician that linked inborn errors of metabolism

  archibald garrod
• related malfunction or absence of proteins in an enzyme

  archibald garrod
• discovered alkaptonuria

  archibald garrod
• inborn error of metabolism characterized as blue diaper disorder

  alkaptonuria
• english microbiologist that worked streptococcus pnemoniae

  frederick griffith
• 3 american physicians that treated lysed (heat-killed s bacteria) with protease and DNAse. with the DNAse, the mouse was alive. with the protease, the mouse was killed.

  Oswald Avery, Colin Macleod, Maclyn MacCarthy
• 2 american microbiologist that used Escherichia (e. coli) bacteria infected with a virus


  alfred hershey, martha chase
• 2 american physicians that grew a batch of virus inna medium that contained radioactive-coated 35S and 32P or the BLENDER EXPERIMENT


  alfred hershey, martha chase
• russian-amerocan biochemist that identifies 5-carbon sugar ribose (1909) and deoxyribose (1929)


  phoebus levine
• he/she reveled chemical distinction between RNA and DNA

  phoebus levine
• discovered that 3 equal parts id nucleotide are fou d in equal proportions

  phoebus levine
• austrian-american biochemist that analyzed base compositions of DNA from various species and observed regular relationships

  ADENINE + GUANINE

  THYMINE + CYTOCSINE

  erwin chargaff
• 2 english scientists that used a technique called X-RAY DIFFRACTION

  rosalind franklin, maurice wilkins
• 2 english scientists that distinguished 2 forms of DNA

  1. crystalline A form
  2. wetter B form

  rosalind franklin, maurice wilkins
• one of the 2 english scientists that took @0l to obtain PHOTO 51 of the b-form of DNA

  rosalind franklin
• american and english scientists that did not do any experiment and made a “ball-and-stick” model out of cardboat cutouts of A, T, C, and G bases

  james watson, francis crick
• american and english scientists that deciphered franklin and wilkin’s photo 51 are made of sugar-phosphate backbone

  james watson, francis crick
• section of a DNA whose sequence of building blocks specifies the sequence of amino acids in a particular protein

  gene
• single building block of DNA

  nucleotide