CHapteer 13 Flashcards
The process of using DNA to produce complementary RNA molecules is called_________
transcription
The sequence of ____ in mRNA complements the sequence in the DNA template
bases
RNA is formed in the _______ and then travels to the ____________
nucleus—cytoplasm
The enzyme _______________binds to DNA during transcription.
RNA polymerase
RNA polymerase binds to regions of DNA called
Promoters
Portions of RNA that are cut out and discarded
Introns
_____ are spliced together to make the final mRNA
extrons
A specific sequence of bases in DNA carries the directions for forming a ______________ a chain of amino acids.
polypeptide
The sequence of bases in mRNA is the
genetic code
The four bases ___, ___, ___, ___ act as “letters”
A C G U
Each “word” in mRNA is known as a ____________
codon
The process of decoding of an mRNA message into a protein a ribosome is
translation (occurs in cytoplasm)
What begins when a ribosome attaches to an mRNA molecule
translation
Process in which DNA, RNA, and proteins are involved in putting genetic information into action in living cells
Gene expression
Changes in DNA
mutations