PCR is a common technique used to amplify large portions of specified gene sequences. What does the acronym PCR stand for?
polymerase chain reaction
In a molecule of DNA:
complementary bases are stabilized by hydrogen bonds
phosphodiester bonds connect one sugar to the next
a free phosphate group is on the 5' end. a free hydroxyl group is on the 3' end
DNA is now often used as evidence in criminal trials. It is particularly useful because it can be found in:
hair, semen, saliva, dead skin cells
Which of the following is required for DNA replication?
a DNA template, deoxynucleotriphosphates, DNA polymerase, primase
Looking at a cytosine nucleotide triphosphate molecule; the second carbon counting clockwise from oxygen on the deoxyribose is attached to:
In the semiconservative model of DNA replication the newly synthesized DNA molecule is comprised of:
one old strand and one new one.
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