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What is the name of the enzyme that joins Okazaki fragments on a newly copied DNA strand?
Answer
DNA ligase
What structure forms when DNA wraps around a core of eight histone proteins?
Answer
Nucleosome
Which experiment showed that DNA, rather than protein, is the hereditary material in bacteriophages?
Answer
Hershey–Chase experiment
What DNA-copying model did the 1958 Meselson–Stahl experiment demonstrate?
Answer
Semiconservative replication
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Which base pairs with cytosine in a DNA double helix?
Answer
Guanine
Which experiment showed that DNA, rather than protein, is the hereditary material in bacteriophages?
Answer
Hershey–Chase experiment
What DNA-copying model did the 1958 Meselson–Stahl experiment demonstrate?
Answer
Semiconservative replication
In human genetics, which condition is caused by an expanded CAG trinucleotide repeat in the HTT gene?
Answer
Huntington’s disease
In genetics, what is the name of a DNA segment that can move to a new location in the genome?
Answer
Transposable element
In genetics, what is the name of a DNA variation involving a single nucleotide at a specific genome position?
Answer
Single-nucleotide polymorphism