Chap 3-4 Flashcards
What are the two types of genes?
Structural and Regulatory
What is a gene?
A functional unit of heredity.
What is a structural gene?
Serves as a template for mRNA, and is a code for amino acid sequences
What is the function of a regulatory gene?
Controls which structural genes transcribed in given tissue
What is transcription used for?
DNA used to form RNA.
What is translation?
Synthesis of a protein at the ribosomes using mRNA, tRNA, and rRNA.
What is a summary of genes and gene expression?
Central Dogma
DNA–> RNA–> Protein
|________| |_______|
Transcript Translation
Central Dogma
What happens in transcription?
The strands of DNA are separated.
Where does transcription end?
Terminator Sequence
In transcription, what letter pair?
A with U
C with G
Where does translation start?
Ribosomes
What does translation do?
Turns mRNA into a polypeptide
