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BIO.XII > Inventions & Inventors > Flashcards

Inventions & Inventors Flashcards

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Biology 101 flashcards
1
Q

1856-63
Gregor Mendel

A

Laws of inheritance

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2
Q

1900
De vries, correns and voh tschermak

A

Rediscovered Mendels results

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3
Q

1962
Walter Sutton and theodore boveri

A

Proposed chromosomal theory of inheritance

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4
Q

Thomas hunt Morgan

A

Experimental verification of chromosomal theory of inheritance

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5
Q

1866
Langdon down

A

Described Down syndrome

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6
Q

1869
Friedrich miescher

A

Identified DNA as an acidic substance in nucleus (named it ‘nuclein’)

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7
Q

1953
James Watson
Francis crick

A

Proposed double helical structure of DNA

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8
Q

Erwin chargaff

A

Ratios between adenine & thymine + guanine & cytosine are constant and equal once

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9
Q

1928
Frederick griffith

A

Transforming principals
[streptococcus pneumonia]

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10
Q

1933-44
Oswald Avery
Colin macleod
Maclyn mcCarthy

A

Biochemical charaterization of transforming principals

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11
Q

1952
Alfred harshey
Martha chase

A

Experimental prove that genetic material is DNA [worked with bacteriophages]

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12
Q

1953
Watson & crick

A

Proposed ‘semi-conservative nature of DNA replication’

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13
Q

1958
Mathew meselson &
Franklin stahl

A

Experimental proof for semi-conservative nature of DNA replication

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14
Q

George Gamow

A

Genetic code

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15
Q

Har Govind Khurana

A

Developed chemical method to synthesize RNA molecules with defined combination of bases
[homopolymers and copolymers]

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16
Q

Marshal nirenberg

A

Developed cell- free system for protein synthesis

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17
Q

Francois Jacob &
Jacque Monod

A

The lac operon

18
Q

Alec jeffreys

A

DNA fingerprinting

19
Q

Early Greek thinkers

A

Theory of panspermia

20
Q

Louis Pasteur

A

Life came from pre-existing life

21
Q

Oparin & haldane

A

Proposed chemical evolution of life

22
Q

S.L. Miller

A

Experimental proof for chemical evolution of life

23
Q

Charles Darwin

A

Based on observation made during a sea vovage in a sail ship (H.M.S beagle) concludes that existing life forms share similarities not only among themselves but also with life forms that existed millions of years ago

24
Q

Charles Darwin

A

Natural selection & survival of fittests

25
Q

Alfred wallace

A

Co-developed theory of nayu selection with Darwin

26
Q

Ernst haeckel

A

Embryological sully of evolution

27
Q

Karl Ernst von baer

A

Disapproved embryological support for evolution

28
Q

Lamarck

A

Proposed that evolution of life is driven by use and disuse of organs

29
Q

Thomas malthus

A

His work inspired Darwin to refine natural selection by starting a reason for meaningfull conpetition between members in same species

30
Q

Hugo de vries

A

Worked on evening primrose to put forth the idea of mutations
[mutation caused speciation = saltation]

31
Q

Hardy-Weinberg

A

Proposed that frequency of occur of alleles of a gene or a locus remain fixed and same through generations

32
Q

1980s
Karu Mullis

A

Developed PCR (polymerase chain reaction)

33
Q

1972
Stanley cohen & herbert boyer

A

Constructed the first recombinant DNA

34
Q

1983
Eli Lilly

A

Synthesised human insulin

35
Q

Robert constanza

A

Put price tags on nature’s life support service

36
Q

Edward Wilson

A

Father of biodiversity
[described the combined diversity at all the levels of biological organisations]

37
Q

Ramesh chandra dagar

A

Integrated organic farming
[included bee-keeping, dairy management, water harvesting composting & agriculture in a chain of processes]

38
Q

1974
Sunderlal bahuguna

A

Chipko movement leader

39
Q

Alexander vin humbolt

A

Species area relationships

40
Q

Paul ehrlich

A

Rivet popper hypothesis

BIO.XII (3 decks)

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