Chapter 1: Historical Overview Flashcards

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1
Q

Barbara McClintock & Harriet Creighton

A

demoed chromosomes recombine to create new genetic variations (in corn maize)

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1
Q

demoed DNA replication=semiconservative

A

meselson & stahl

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2
Q

4 qualities of living cells

A
  1. grow 2. reproduce 3. process information 4. respond to environment
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3
Q

meselson & stahl

A

demoed DNA replication=semiconservative

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4
Q

beadle & tatum

A

developed “one gene-one enzyme” hypothesis

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4
Q

sydney brenner & francois jacob

A

discovered DNA –> RNA (mRNA) –> directs production of proteins (polypeptides)

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5
Q

4 qualities of living cells

A
  1. grow 2. reproduce 3. process information 4. respond to environment
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6
Q

produced pic of molecular structure of DNA w/ x-ray crystallography

DNA composed of 2 antiparallel sugar-phosphate backbones w/ nitrogenous bases paired in interior

paired in specific combos: adenine w/ thymine, cytosine w/ guanine

A

maurice wilkins & rosalind franklin

franklin (x2)

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7
Q

molecular biology

A

study of gene structure and function at molecular level

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7
Q
  1. grow 2. reproduce 3. process information 4. respond to environment
A

4 qualities of living cells

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8
Q

discovered DNA

A

friedrich miescher

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10
Q

Archibald Garrod

A

suggestsed genes dictate phenotypes through enzymes

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11
Q

frederick griffith

A

found that DNA could be exchanged between bacteria –> changed genotype & phenotype (transformation)

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11
Q

demoed that chromosomes carry genes w/ fruit flies

discovered “linked genes”, sex-linked genes, and recombinance

A

thomas hunt morgan (x2)

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12
Q

particle of inheritance

A

gene

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13
Q

discovered genes=particles of inheritance

A

gregor mendel

14
Q

Alfred Hershey & Martha Chase

A

showed DNA, not protein, is genetic material of bacteriophage (T2)

15
Q

watson & crick (x2)

A

deduced DNA as double helix

each base pair is complementary & forms different # H-bonds (A-T=2, G-C=3)

15
Q

study of gene structure and function at molecular level

A

molecular biology

16
Q

suggestsed genes dictate phenotypes through enzymes

A

Archibald Garrod

18
Q

gregor mendel

A

discovered genes=particles of inheritance

18
Q

showed DNA, not protein, is genetic material of bacteriophage (T2)

A

Alfred Hershey & Martha Chase

20
Q
  1. grow 2. reproduce 3. process information 4. respond to environment
A

4 qualities of living cells

22
Q

allele

A

specific gene coding for specific trait

23
Q

gene

A

particle of inheritance

23
Q

friedrich miescher

A

discovered DNA

25
Q

found that DNA could be exchanged between bacteria –> changed genotype & phenotype (transformation)

A

frederick griffith

26
Q

deduced DNA as double helix

each base pair is complementary & forms different # H-bonds (A-T=2, G-C=3)

A

watson & crick (x2)

28
Q

thomas hunt morgan (x2)

A

demoed that chromosomes carry genes w/ fruit flies

discovered “linked genes”, sex-linked genes, and recombinance

29
Q

developed “one gene-one enzyme” hypothesis

A

beadle & tatum

30
Q

demoed chromosomes recombine to create new genetic variations (in corn maize)

A

Barbara McClintock & Harriet Creighton

31
Q

specific gene coding for specific trait

A

allele

32
Q

cell (x2)

A

simplest living thing, used to transmit genes from parents to offspring

33
Q

maurice wilkins & rosalind franklin

franklin (x2)

A

produced pic of molecular structure of DNA w/ x-ray crystallography

DNA composed of 2 antiparallel sugar-phosphate backbones w/ nitrogenous bases paired in interior

paired in specific combos: adenine w/ thymine, cytosine w/ guanine

35
Q

simplest living thing, used to transmit genes from parents to offspring

A

cell (x2)

36
Q

discovered DNA –> RNA (mRNA) –> directs production of proteins (polypeptides)

A

sydney brenner & francois jacob