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12 Cards in this Set

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What is the function of a helicase?

To unzip DNA, a like a zipper

What is the replication fork?

The place where the DNA is unzipped

What are primer sites?

Places where replication originates

What does an Operator do in gene expression?

It assists with transcription by interacting with transcription factors

Operon?

Promoter/operater that services multiple genes

Operon?

Promoter/operater that services multiple genes

What are the purines? What are the pyrimidines?

A&g are purines, c&t are pyrimidines

DNA is copied in what direction?

5->3

What direction is RNA copied in?

5->3

What does mRNA do?

Transfers RNA from nucleus to ribosome

What does tRNA do?

Carries amino acid to large subunit of ribosome and help form amino acid chain

What does rRNA DO?

Is makes up the ribosome