notes questions Flashcards

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1
Q

is plasmid required for survival?

A

no

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2
Q

advantage of plasmid for antibiotic resistance

A

can be more easily passed b/w bacteria

horizontal gene transfer is increased if it has a plasmid

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3
Q

what is vertical gene transfer?

A

parent to daughter

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4
Q

Advantage of gene on chromosome

and disadvantage

A

gene on chromosome is passed on to all daughter cells

but not easily based b/w bacteria

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5
Q

Horizontal gene transfer

A

gene transfer occurs between bacteria is the same generation

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6
Q

natural state =

A

wild state

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7
Q

change in natural state it is said to be

A

mutant

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8
Q

ames test

mutant back to

A

wild type

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9
Q

his (-) for ames test means

A

can’t make histadine

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10
Q

his (+) for ames test means

A

can make histidine

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11
Q

ex. Streptomyocin resistant (ABX) means

A

str R can survive in presence of str

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12
Q

ex. streptomyocin sensitive means

A

dies in the presence of streptomyosin

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13
Q

what is mutation rate?

A

how likely a mutation occurs each cell division

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