Give one contribution each of the following scientists
(a) Frederick Meischer
(b) Krebs
(c) Embden and Meyerhof
(d) Louis Pasteur
(e) E. Fischer
Answers
Answer:
c) embden and meyerhof
Answer:
a)Friedrich Miescher isolated "nuclein," DNA with associated proteins, from cell nuclei. He was the first to identify DNA as a distinct molecule. Phoebus Levene was anorganic chemist in the early 1900's. He is perhaps best known for his incorrect tetranucleotide hypothesis of DNA.
b)Two important sequences of chemical reactions that take place in the cells of humans and many other organisms, namely the citric acid cycle and the urea cycle.
c)Embden is known for having worked out the precise steps involved in this breakdown. Henceforth, this cellular metabolic sequence from glycogen to lactic acid became known as theEmbden–Meyerhof pathway.
d)Pasteur's scientific and medical accomplishments include cure for rabies, anthrax, chicken cholera, and silkworm diseases. He also contributed towards developing the first vaccines and provided logical grounds for fermentation and brewing.
e)He discovered the
Fischeresterification. He also developed theFischer projection, a symbolic way of drawing asymmetric carbon atoms.
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