Biology
- Eukaryotic Cells
Cell Webquest ? Ms. Carter Eukaryotic Cells California Standard: Cell Biology 1.a, e, f, g CELL BIOLOGY 1 a. The fundamental life processes of plants and animals depend on a variety of chemical reactions that occur in specialized areas of the organism?s...
- Inventions & Discoveries In Biology - 4
CONTRIBUTION DISCOVERED/INVENTED BY 1. Sex hormones Eugen Stainak 2. Sexuality in plants Kolreuter 3. ...
- Scientists And Their Theories
Theories, Principles, Rules or Laws Proposed by 1. ?All plants & animals are composed of cells? Dutrochet H.J 2. ...
- Inventions & Discoveries In Biology -2
CONTRIBUTION DISCOVERED/INVENTED BY 1. Crescograph J.C. Bose 2. Crossing over in Drosophila- cytological proof Stern (1931)...
- Nobel Winners In Medicine And Physiology
Name of scientist Year Topic of study or discovery Emil Adolf Von Behring 1901 Serum therapy for giving acquired passive immunity against diphtheria. Sir Ronald Ross 1902 Study of life cycle of malaria. He laid the foundation for successful...
Biology
Inventions & Discoveries in Biology - 3
CONTRIBUTION | DISCOVERED/INVENTED BY |
1. Interrelationship b/w genetic diversity & natural selection- Established | Murray (1972) |
2. Isolated and synthesized 3 polypeptides involved in the control of the anterior pituitary gland | Roger Guilleinin & Andrew Schally (1977) |
3. Isotope tracing | Hevesy G. (1923) |
4. IUD (Intrauterine Devices) for contraception | Richter (1909) |
5. Jumping genes (Transposons) | Mc Clintock |
6. Karyogamy during fertilization | Hertwig |
7. Klinefelter?s syndrome | Klinefelter (1922) |
8. Krebs?s cycle (Citric acid cycle) | Hans A. Krebs (1937) |
9. Ladder of nature or Scala nature (Great Chain of Being) | Aristotle (B.C 384-322) |
10. Largest chromosome number is for Ophioglossum reticulatum | Ninan C.A (Keralite) |
11. Leydig cells (interstitial cells) | Franz von Leydig (Germany) |
12. Life comes from life- proved | Francesco Redi |
13. Linkage and crossing over | Thomas Hunt Morgan |
14. Linkage of hereditary units | Bateson and Punnet (1906) |
15. LSD | Albert Hoffmann |
16. Lysosomes- discovered & named | de Duve (1955) |
17. Malaria parasites grow as cysts in Anopheles mosquito | Ronald Ross (1897) |
18. Malarial parasite (in Algiers, North Africa); Cause of Malaria | Charles Laveran (1880; French army surgeon) |
19. Microtome | His (1870) |
20. Microtubules | Robertis and Francis |
21. Milk pasteurization | Louis Pasteur |
22. Mitochondria | Kolliker (1857). In 1888 he isolated them |
23. Mitochondria- Observed | Altmann and C. Benda (1897) |
24. Mitochondria- Separated from the cell | Bensley R.R & Hoerr H.L (1934) |
25. Mitochondria: Isolated by ultracentrifugation | Claude A (1941) |
26. Mitosis- first account | A. Schelder (1873) |
27. Monoclonal antibodies | Niels, Kochlar & Milstein |
28. Morphine | Frederick Sirturner |
29. Mosquitoes transmits Malaria- Hypothesis | Manson (1894) |
30. MRI | Purcell and Bloch (1952) |
31. Mutation on agricultural plants | Gustafsson (1947) |
32. Mycobacterium leprae & Leprosy | Hansen (1873; Norway) |
33. Negri bodies in brain cells (it is diagnostic of Rabies) | Negri (1903; Italy) |
34. New cells originate from pre-existing cells | Rudolf Virchow (1858) |
35. Nitrogen cycle | Helriegel & Wilfarth (1888) |
36. Nucleic acids- Discovered and isolated | Friedrich Miescher (1869; Switzerland) |
37. Nucleolus (observed nucleolus from the skin of an eel) | Fontana F (1781) |
38. Nucleoplasm | Strasburger |
39. Nucleoproteins- Isolated from the pus cells | Miescher F (1870) |
40. Nucleotide sequence of alanine tRNA molecule of yeast | Holley R.M (1964) |
41. Nucleus of cell | Robert Brown (1831) |
42. Nucleus: Role in heredity | Herwig O. & Strasburger E (1885) |
43. Nurse culture technique (cellular totipotency) | Muir et al |
44. Oogenesis and spermatogenesis- Described | Boveri T. (1888) |
45. Oparin- Haldane theory: Experimentally proved | Harold C. Urey and Stanley Miller (1953) |
46. Open heart surgery | Walton Lillehal |
47. Origin of life on earth | Oparin A.I |
48. Ovarian follicle, mammal or human | R.V Graaf |
49. Ovary human- first described | Herophilus |
50. Ovum- Mammalian | Karl Von Baer (1827) |
51. Oxygen is released during photosynthesis | Priestly J & Ingenhouz J (1772) |
52. Paper chromatography (PPC) | Izmallow and Schraiber (1938) |
53. Parthenogenesis- Natural | Charles Bonnet (1745) |
54. Patau?s syndrome | Patau K. |
55. Penicillin | Alexander Fleming (1928) |
56. Phagocytosis: Role in immunity | Metchiinkoff (1882) |
57. Phase contrast microscope | Zernike (1955) |
58. Phosphocreatine: Role in muscle contraction | Eggleton (1927) |
59. Photophosphorylation in chloroplast | Arnon |
60. Phototherapy | Finsen N.R. |
61. Phylogeny: Molecular approach | Florkin M (1966) |
62. Pinocytosis | Lewis W.H (1931) |
63. Pituitary gland: Role in carbohydrate metabolism | Houssay (1924) |
64. Plague vaccine in India (as prophylactic measure against plague) | Haffkine (1898) |
65. Plants are made of cells | Shleiden M.J |
66. Plants have life | Boss J.C. |
67. Plastids | Ernest Haeckel (1866) |
68. Polio vaccine | Salk J. and Sabin (1957) |
69. Polymorphism and taxonomy | Ford E.B (1940) |
70. Poriferans (sponges) are animals | Ellis |
71. Presence of cristae in mitochondria- Showed | Palade G.E (1952) |
72. Prion | Prusiner (1997) |
73. Process of life | Romer A.S (1972) |
74. Proteinoid microsphere- Produced | Sydney Fox (1950) |
75. Protoplasm is a living matter in protozoans | Felix Dujardin (1835) |
76. Pteramycin | Finlay |
77. Purines and pyrimidines are equal amount in DNA | Chargaff E. (1950) |
78. Pyrosomes- Identified | Duve C. De (1952) |
79. Quantasomes in chloroplast | Park and Pon (1960) |
80. Quantitative inheritance | Koelreuter J.G (1763) |
81. Radioimmuno assay technique for the estimation of blood hormones | Rosalyn Talow (1977) |
82. RBC Described | Swammerdam (1658) |
83. Recombinant DNA (rDNA) technology | Cohen & Boyer (1973) |
84. Recombinant DNA- First | Berg P. (1972) |
85. Reflex action Concept | Hall (18330 |
86. Regeneration in Hydra & Sponge | Trambli, Vilson |
87. Regulatory genes | Jacob F and Monod (1961) |
88. Relationship between lactic acid and muscle contraction | Hopkins (1907) |
89. Reproductive system in flower | Grew (1682) |
90. Reserpine | Jall Vakil |
91. Respiration in animals - Showed its nature | Lavoisier (1778) |
92. Restriction endonuclease enzymes | Daniel Nathans, Hamilton O. Smith & Werner Arber (1978) |
93. Rh factor in blood | Land Steiner and Weiner (1940) |
94. Ribosomes (Animal cell) | Palade |
95. RNA directed DNA synthesis in some tumor viruses | Temin H.M (1963) |
96. RNA: Role in protein synthesis | Casperssoni and Brachet (1950) |
97. Role of environment on the Inheritance of acquired characters | Buffon |
98. Rust resistance high yielding wheat varieties | Borloug (1970) |
99. Sertoli cells | Enricho Sertoli (Italy) |
100. Sex chromosomes in grasshopper | Mc Clung C.E (1902) |
Inventions & Discoveries in Biology - 1
Inventions & Discoveries in Biology - 2
Inventions & Discoveries in Biology - 4
- Eukaryotic Cells
Cell Webquest ? Ms. Carter Eukaryotic Cells California Standard: Cell Biology 1.a, e, f, g CELL BIOLOGY 1 a. The fundamental life processes of plants and animals depend on a variety of chemical reactions that occur in specialized areas of the organism?s...
- Inventions & Discoveries In Biology - 4
CONTRIBUTION DISCOVERED/INVENTED BY 1. Sex hormones Eugen Stainak 2. Sexuality in plants Kolreuter 3. ...
- Scientists And Their Theories
Theories, Principles, Rules or Laws Proposed by 1. ?All plants & animals are composed of cells? Dutrochet H.J 2. ...
- Inventions & Discoveries In Biology -2
CONTRIBUTION DISCOVERED/INVENTED BY 1. Crescograph J.C. Bose 2. Crossing over in Drosophila- cytological proof Stern (1931)...
- Nobel Winners In Medicine And Physiology
Name of scientist Year Topic of study or discovery Emil Adolf Von Behring 1901 Serum therapy for giving acquired passive immunity against diphtheria. Sir Ronald Ross 1902 Study of life cycle of malaria. He laid the foundation for successful...