Past Quizzes Flashcards
What is the direction of genetic information flow?
DNA–>RNA–>Protein
What cellular structure facilitates the building of proteins?
ribosomes
What is the site of translation?
ribosomes
What is the site of transcription?
nucleus
In eukaryotic cells, transcription cannot begin until ____?
several transcription factors have bound to the promoter
What enzyme catalyzes the synthesis of RNA?
RNA polymerase
What cellular structure facilitates the building of proteins?
ribosomes
The sequence of amino acids in a polypeptide is called the
secondary structure
What removes noncoding regions of DNA?
spliceosomes
The order in which nucleotides are moved along the ribosomes binding sites is
APE
Where does polypeptide synthesis always begin?
cytosol
Where are proteins that function within the cytosol made?
free ribosomes
