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BIO Unit 3 Test
Term | Definition |
---|---|
double helix | 3 dimensional structure of DNA |
ribosome | used to synthesize proteins |
RNA | carries instructions from the DNA |
anticodon | three nucleotides in a tRNA molecule |
tRNA | delivers amino acids to the ribosomes |
gene | segment of DNA with amino acid codes for protein |
nucleotide | name for adenine, guanine, cytosine, thymine, and uracil |
mutation | permanent change in DNA sequence |
transcription | copying of info from DNA strand to mRNA |
protein synthesis | making of protein based on order of amino acid |
DNA | molecule that stores genetic information in all organisms |
codon | sequence of 3 amino acids |
complementary | nucleotide pairs |
amino acids | molecules that form proteins |
DNA Replication | process where information in DNA is copied to a new molecule |
rRNA | main component of ribosomes |
mRNA | carries protein assembly instructions |
polypeptide | long chain of amino acids |
translation | conversion of information in mRNA to a protein |
histone | a protein spool in which DNA is wound |
karyotype | visual representation of chromosomes in an organism that has been sorted by shape and size |