12-3 Bio-Stone
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Created by:
aquariusgurlie17 on January 26, 2012
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25 terms
Terms | Definitions |
|---|---|
 _________ contains the information that a cell needs to carry out all of its functions | dna |
| _____ leaves the nucleus to take the message to a ____ | messenger rna, ribosome |
| at a ribosome, the message is ... | translated into a protein |
| what is rna made of | nucleotides |
| what sugar is in rna | ribose |
| how many strands is rna | single |
| it contains ____ instead of thymine | uracil |
| ribosomal dna | combines with proteins to form ribosomes |
| transfer rna | compliments messenger rna codon to add correct amino acids during protein synthesis |
| messenger rna | carries code from dna to ribosomes |
| what enzyme separates the strands of dna | rna polymerase |
| the enzyme rna polymerase binds to places with specific dna sequences called... | promoters |
| what do promoters do | tells rna polymerase where to start |
| what is transcription | dna to rna |
| where does processing take place | nucleus |
| translation takes place where | on ribosomes in cytoplasm |
| genetic code | 4 letters (u,g,c,a), letters written as words, each word is made of 3 letters |
| codon | message carried by messenger rna it is read in groups of 3 letters |
| possible number of codons | 64 |
| some 20 amino acids have more than one | codon |
| what's the START codon | aug |
| codons for STOP | 3 |
| each transfer rna carries only one kind of... | amino acid |
| the ___________ is on the end of transfer rna | anticodon |
| the anitcodon matches up with the ____ on messenger rna | codon |
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