Genetics Quiz 2 Flashcards
What is transcription
When DNA is copied to make mRNA for protein synthesis
Where does transcription take place
In the nucleus
Transcription makes a ______ of the DNA
Copy ; A - U, T - A, C - G, and G - C
Where does mRNA go after transcription
It leaves the nucleus and travels to a ribosome
mRNA is ______ stranded, is an ______ molecule, and has ______ sugar as a backbone
Single ; intermediate ; ribose
What new base does mRNA have
Uracil, replaces thymine
What is translation
When mRNA is used to make proteins in the form of amino acids by changing the “language”
Where does translation take place
On a ribosome
Inside the ribosome, mRNA is matched with ____________ segments with complementary ______.
3 letter ; tRNA
The 3 letter segments attached to tRNA are called
Anticodons
Each codon codes for a specific ____________
Amino acid
The amino acid attached to tRNA is added to the ____________ as it is matched to a complementary mRNA ______
Peptide chain ; codon
Anticodons are on ______ and codons are on _____
tRNA ; mRNA