Transcription & Translation Flashcards
Separates double stranded DNA into single strands
DNA helicase
Synthesizes short RNA priners
DNA primase
Synthesizes DNA in leading and lagging strands, proofreads DNA
DNA Polymerase
Attaches adjacent Okazaki fragments in lagging strand
DNA ligase
Binds to a single strand to prevent reforming double strands ( Not an enzyme)
SSB
DNA codes for ____
RNA ____ the code
RNA translates the code into ___
RNA
Carries
Protein
Genetic information is expressed into structure and function through _____ _____
Protein synthesis
DNA in a gene determines the sequence of ______ in an RNA molecule
Nucleotides
What controls the primary structure of a protein
RNA
What replaces thiamine in RNA
Uracil
What is the sugar in RNA
Ribose
What are Uracil, Adenine, Cytosine, Guanine
Nitrogenious bases
Takes the message from DNA in the nucleus to ribosomes in the cytoplasm
Messenger DNA
With ribosomal proteins, make up ribosomes, where polypeptides are synthesized
Ribosomal (rRNA)
Transfers the appropriate amino acids to the ribosomes
Transfer (tRNA)
Where are codons found
Messenger DNA
Each of the 20 amino acids found in protein is specified by one or more ….
Codons
There are ___ condons for ___ amino acids
64 / 20
A single codon can only code for 1 amino acid
True or False
True
Is mRna modified before leaving the nucleus
Yes