Term
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Definition
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Term
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Definition
covalent bond between two amino acids |
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Term
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Definition
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Term
translation catalyzed by? |
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Definition
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Term
translation happens where? |
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Definition
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Term
peptide bonding reaction is called? |
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Definition
dehydration synthesis, a.k.a. condensation |
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Term
translational start codon? |
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Definition
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Term
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Definition
3 adjacent mRNA nucleotides with meaning |
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Term
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Definition
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Term
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Definition
a.k.a. stop codon codes for release factor - stops translation UAA, UAG, UGA |
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Term
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Definition
- methionine (met)
- start of translation (beginning of gene)
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Term
dehydration synthesis involves? |
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Definition
- removal of OH from first amino acid
- removal of H from second amino acid
- formation of OH+H=H2O water
- formation of peptide bond between aa's
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Term
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Definition
- central carbon
- H
- NH2 (amino group)
- COOH (acid group)
- variable R group
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Term
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Definition
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Term
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Definition
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
1 of 3 ways to read the same mRNA sequence |
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Term
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Definition
shift from one reading frame into another |
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Term
frameshift mutation caused by? |
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Definition
- indels
- involving other than 3n DNA bases
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Term
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Definition
insertion/deletion at DNA level |
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Term
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Definition
- string of amino acids
- can be whole protein or subunit of protein
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Term
1' level of protein folding |
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Definition
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Term
2' level of protein folding |
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Definition
- Alpha Helix or Beta Pleated Sheet
- regular folding of amino acid chain
- by H-bonding
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Term
3' level of protein folding |
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Definition
- irregular folding
- due to disulfide bridges, H-bonding, hydrophobic interactions, vd Waals attractions, ionic bonding
- may result in whole protein
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Term
4' level of protein folding |
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Definition
- 2 or more subunits (polypeptides) getting together to form whole protein
- subunits may be same or different
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Term
keyhole pockets in ribosomes |
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Definition
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Term
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Definition
ribosome hops over by one codon in mRNA |
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Term
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Definition
- ribosome-binding site
- a.k.a Shine-Dalgarno site
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Term
Where does tranlation start? |
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Definition
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Term
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Definition
each codon is 3 adjacent mRNA nucleotides |
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Term
triplet code is unambiguous means? |
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Definition
each codon always has the same meaning it means what it says |
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Term
triplet codon is degenerate means? |
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Definition
there is more than one way to say the same thing (there can be more than one codon coding for the same amino acid) |
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Term
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Definition
- initiation
- elongation
- termination
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Term
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Definition
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Term
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Definition
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Term
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Definition
unpaired loop in tRNA that is complementarty (matches) mRNA codon |
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Term
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Definition
bring correct amino acid to ribosomes at correct time during translation |
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Term
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Definition
tRNA carrying the amino acid specified by its anticodon |
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Term
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Definition
protein that binds to a stop codon to stop translation |
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Term
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Definition
- signal recognition particle
- recognizes protein signal sequence to guide proteins into ER for eventual export
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Term
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Definition
molecular luggage tag that marks proteins for export or transport to other organelles |
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