Unit 6 Gene Expression

monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base

subunits run in opposite directions (like the two DNA strands)

Type of DNA replication in which the replicated double helix consists of one old strand, derived from the old molecule, and one newly made strand.

A Y-shaped region on a replicating DNA molecule where the parental strands are being unwound and new strands are being synthesized.

An enzyme that untwists the double helix at the replication forks, separating the two parental strands and making them available as template strands.

corrects "overwinding" ahead of replication forks by breaking, swiveling, and rejoining DNA strands. It 'smooths' the strand.

An enzyme that joins RNA nucleotides to make the RNA primer using the parental DNA strand as a template.

short segment of RNA used to initiate synthesis of a new strand of DNA during replication

The new continuous complementary DNA strand synthesized along the template strand in the mandatory 5' to 3' direction.

The strand that is synthesized in fragments using individual sections called Okazaki fragments

An enzyme that catalyzes the formation of the DNA molecule.

An enzyme that connects two fragments of DNA together, joining the sugar phosphate backbone of the molecule.

DNA-transcription-RNA-translation-protein

synthesis of an RNA molecule from a DNA template

Process by which mRNA is decoded and a protein is produced