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29 Cards in this Set
- Front
- Back
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segment of dna that codes for protein
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genes
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histones+nucleic acids
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chromosomes
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what do RNA and DNA do?
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transmit information
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R.N.A=
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Ribonucleic acid
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D.N.A=
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2-deoxyribonucleic acid
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monomer unit of nucleic acid
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nucleotide
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base+sugar+phosphate
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nucleotide
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bases of DNA
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A,G, C, T
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bases of RNA
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A, G, C, U
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nucleoside
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sugar+base
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phosphate structure
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4 Oxygens bonded to Phosphate, one's double bonded, the rest that have single bonds have negative charge
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sequence of nucleotides
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primary structure=nucleic acids
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seguence of amino acids
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proteins
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double helix of DNA
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=secondary structure
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Rosaline Franklin
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did most of the work in discovering the secondary structure of dna
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histones
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compound in which double helix coils around proteins
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nucleosome
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8 histones and 147 base pairs; DNA compound
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nucleosomes string together to form_____
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chromatins
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chromatins loop to form___
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solenoids
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solenoids form loops called____
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minibands
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minibands make___
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chromosomes
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3 ways DNA and RNA differ
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their sugars, structure, and bases
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messenger RNA
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compliment DNA to relay messege to ribosomes
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mRNA work in...
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the nucleus
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transfer RNA
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bring correct amino acide to ribosome
smaller than mRNA |
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tRNA found in...
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the cytoplasm
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ribosomal RNA
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structural components of ribosomes
65% of ribosome |
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ribosome
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site of protein synthesis
65% rRNA, 35%protein |
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ribozymes
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special RNA with enzyme functions
catalyze splicing of tRNA to mature form |
