Ch.14 DNA Structure and Function Flashcards

1
Q

dna was the hereditary material because

A

radioactive phage were found in the pellet

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2
Q

major concerns about bacteria

A

pathogenic bacteria could introduce disease causing genes in pathogenic bacteria
antibiotic resistance genes could be introduced to new bacteria to create super bugs
bacteriophages could spread DNA encoding toxins to new bacteria

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3
Q

DNA replicates by

A

semi conservative mode

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4
Q

how did meselson and stahl support watson and crick

A

demonstrated that each DNA strand serves as a template for synthesizing a new strand of DNA

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5
Q

the enzyme primase synthesizes

A

RNA primer

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6
Q

DNA replication takes place as

A

5-3

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7
Q

scientist randomly mutates bacterium and finds daughter cells mutated, what enzyme is messed up?

A

DNA pol II

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8
Q

ends of linear chromosomes are maintained by

A

telomerase

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9
Q

during proofreading which of the following enzymes reads the DNA

A

DNA pol

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10
Q

the initial mechanism for repairing nucleotide errors in DNA in

A

DNA pol proofreading

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11
Q

With DNA pol III mutation

A

larvae will have slightly more mutations than average

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