3a Transcription And Translation Flashcards
Gene expression involves what
Transcription and translation of DNA sequences
Each three bases codes for what?
One amino acid
A proteins structure,shape and ability to carry out its function depends on what
The sequence of amino acids
How is the sequence of amino acids determined
By the sequence of bases
Gene expression
Fill in the blanks
Only a fraction of the ____ in a cell are _____
Genes
Expressed
RNA
Fill in the blanks
Each nu____ in RNA is composed of a ____ sugar, a p____ group and a base
Nucleotide
Ribose sugar
Phosphate
RNA is a _____ strand
Single
What base is replaced with another
Thymine is replaced with Uracil
Transcription and translation involves 3 types of RNA. What are they?
Messenger RNA
Transfer RNA
Ribosomal RNA
What does messenger RNA do?
Carries a copy of DNA from the nucleus to the ribosome
What does the ribosomal RNA do?
This RNA and proteins form the ribosome
What does the transfer RNA do
Carries a specific amino acid to the ribosome