Translation
The Process In Which Ribosomes Use Messenger Rna To Assemble Amino Acids Into Proteins.

Transcription
The Process In Which A Segment Of Dna Is Used As A Template To Produce Rna, Occurring In The Nucleus.

Ligase
An Enzyme That Joins DNA Fragments Together During Dna Replication.

DNA Polymerase
An Enzyme That Adds Nucleotides To A Growing DNA Strand During Dna Replication.

Helicase
An Enzyme That Unwinds The Double Helix During Dna Replication.

DNA Replication
The Process By Which Dna Is Copied Before Cell Division, Producing Two Identical DNA Molecules.

Chromatid
One Of Two Identical Copies Of A Chromosome Formed During Dna Replication.

Centromere
The Region Of A Chromosome Where Sister Chromatids Are Joined And Where Spindle Fibers Attach.

Spindle Fiber
A Structure Made Of Microtubules That Helps Separate Chromosomes During Mitosis And Meiosis.

Telophase
The Final Stage Of Mitosis In Which Nuclear Envelopes Reform Around Separated Chromosomes.