DEBio 14 DNA vocab flashcards

Front

electrophoresis

Back

technique used to separate DNA fragments according to size

Front

helicase

Back

during replication this enzyme helps to open up the DNA helix by breaking the hydrogen bonds

Front

induced mutation

Back

mutation that results from exposure to chemicals or environmental agents

Front

lagging strand

Back

during replication it is the strand that is replicated in short fragments away from the replication fork

Front

leading strand

Back

strand that is synthesized continuously in the 5'-3' direction toward the replication fork

Front

ligase

Back

enzyme that catalyzes the formation of a phosphodiester linkage between the 3' OH and 5' phosphate ends of the DNA

Front

mismatch repair

Back

type of repair mechanism in which mismatched bases are removed after replication

Front

mutation

Back

variation in the nucleotide sequence of a genome

Front

nucleotide excision repair

Back

when the wrong base as well as a few nucleotides upstream or downstream are removed

Front

Okazaki fragment

Back

DNA fragment that is synthesized in short stretches on the lagging strand