Genetics 2 Flashcards

1
Q

Friedrich Meischer discovered DNA in which year?

A

1869

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2
Q

approx length of DNA

A
  1. 2m

3. 3 * 10^9 bp

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3
Q

length of E. coli DNA is

A

1.36mm

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4
Q

φ ×174 has _____ nucleotides

A

5386

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5
Q

Bacteriophage lambda has _____ base pairs

A

48502

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6
Q

Escherichia coli has _______bp

A

4.6 × 10^6

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7
Q

Frederick Griffith which year?

A

1928

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8
Q

S strain bacteria have a

A

mucous (polysaccharide) coat

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9
Q

Which year Oswald Avery, Colin MacLeod and Maclyn McCarty?

A

1933-1944

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10
Q

Which year Hershey and Chase?

A

1952

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11
Q

Matthew Meselson and Franklin Stahl experiment which year

A

1958

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12
Q

E. coli that has only 4.6 ×10^6

bp process of replication within ______min

A

18

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13
Q

Severo Ochoa enzyme

A

polynucleotide phosphorylase

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14
Q

rRNA numbers?

A

28S, 18S, and 5.8S

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15
Q

Capping unusual nucleotide?

A

methyl guanine triphosphate

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16
Q

rRNA in bacteria

is the enzyme- ribozyme

A

23S

17
Q

In prokaryotes, control of the is the

predominant site for control of gene expression.

A

rate of transcriptional initiation

18
Q

The a gene encodes a

A

transacetylase

19
Q

largest known human gene is

A

dystrophin at 2.4 million bases

20
Q

Chromosome 1 has most genes (______), and the Y has the fewest (___).

A

2968

231

21
Q

No. of SNPs

A

1.4m