CONTRIBUTION
|
DISCOVERED/INVENTED BY
|
1.
Sex hormones
|
Eugen Stainak
|
2.
Sexuality in plants
|
Kolreuter
|
3.
Sickle cell anaemia: Traced
mutation in Hb of sickle cell anaemia to a change in a particular amino acid
|
Ingram V.M (1956)
|
4.
Simple microscope
|
Anton van Leeuwenhoek
|
5.
Southern blotting
|
Southern E.M (1975)
|
6.
Sperm- discovered
|
Humm & Leeuwenhoek (1672)
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7.
Sphaerosome
|
Pernes (1953)
|
8.
Spleen - Functions
|
Barcroft (1925)
|
9.
Spontaneous mutation in locus in
maize
|
Stadler J
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10.
Stethoscope
|
Laennec
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11.
Streptomycin (antibiotic)
|
Selman Waksman (1944)
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12.
Substrate & enzyme action
form an enzyme-substrate complex
|
Michaelis L & Menton M (1913)
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13.
Sulpha drugs
|
Domagk G.
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14.
Synapse in the nervous system
|
Sherrington (1897)
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15.
Test tube baby- first
|
Robert Edward & Patrick Steptoe
|
16.
Three-kingdom classification
|
Ernest Haeckel (1866)
|
17.
Thyroxin
|
Edward Calvin
|
18.
Tissue culture
|
Carrel A (1912)
|
19.
TMV (Tobacco Mosaic Virus)-
discovered
|
Iwanowski
|
20.
TMV (Tobacco Mosaic Virus)-
Isolated by crystallisation
|
Stanley W.M (1935)
|
21.
Totipotency of plant cells-
Explained
|
Haberlandt (1902)
|
22.
Totipotency technique- First
demonstrated
|
Steward (1950)
|
23.
Transmission of inheritance takes
place through nucleus
|
Ernest Haeckel (1866)
|
24.
Trilaminar model of plasma
membrane
|
Robertson J.D. (1959)
|
25.
Tubercle
bacillus
|
Robert Koch (1882)
|
26.
Tuberculin test
|
Von Pirquet (1907)
|
27.
Turner’s syndrome
|
Turner (1938)
|
28.
Ultracentrifuge
|
Svedberg
|
29.
Vaccination- first
|
Edward Jenner
|
30.
Vaccine for Measles
|
John Enders
|
31.
Vaccine for small pox
|
Edward Jenner
|
32.
Viroid- First viroid
|
Diener T.O. (1971)
|
33.
Virus- reproduction
|
Delbruck, Hershey & Luria
|
34.
Virus, causing cancer in primates
|
Schidolvski D. (1973)
|
35.
Virus: Proved its existence
|
Ivanowsky (1892)
|
36.
Viruses crystallised & proved
that these crystals can cause disease
|
W.M. Stanley (1935)
|
37.
Virusoid- First virusoid
|
Randles J.W. (1981)
|
38.
Vitamin
|
Funk (1911)
|
39.
Vitamin A
|
Mc Cullem and Davis
|
40.
Vitamin A- isolated
|
Holmus
|
41.
Vitamin B
|
Mc Cullem
|
42.
Vitamin B1
|
Ijac mann
|
43.
Vitamin B12
|
Ricker
|
44.
Vitamin B2
|
Warburg & Christian
|
45.
Vitamin B3
|
R.J. Williams
|
46.
Vitamin B5
|
C. Funk
|
47.
Vitamin B6
|
Goldberger
|
48.
Vitamin B7 (Biotin)
|
Vincent Du Vigneaud
|
49.
Vitamin B9
|
Day et al
|
50.
Vitamin C
|
Froilic Holst
|
51.
Vitamin D
|
Steenbock & Hess
|
52.
Vitamin E
|
Evans & Sore
|
53.
Vitamin K
|
Dam & Droisy
|
54.
Western blotting
|
Towbin (1979)
|
55.
Wheat- Cytology and genetics
|
Sears E.R (1948)
|
56.
X-rays
|
Roentgen (1895)
|
57.
Zymase, the first enzyme
|
Edward Buchner (1897; Germany)
|
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