13.1 RNA

On the lines provided, identify each kind of RNA

LOOK AT HANDOUT!!!

Sketch the sequence in which pre-mRNA is edited after it is made on the DNA template and before it is ready to function as mRNA in the cytoplasm. Show the original DNA, the pre-mRNA, and the final mRNA. Be sure to label exons and introns.

LOOK AT HANDOUT!!!

complete the table to contrast the structures of DNA and RNA

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The sequence of _____ in mRNA complements the sequence in the DNA template.

bases

IN eukaryotes, RNA is formed in the ___ and then travels to the __.

nucleus; cytoplasm

RNA polymerase binds to regions of DNA called _____, which are start signals for transcription.

promoters

______ are portions of RNA that are cut out and discarded.

Introns

_____ are spliced together to make the final mRNA.

Extrons

The enzyme ______ binds to DNA during transcription.

RNA polymerase

The process of using DNA to produce complementary RNA molecules is called:

transcription