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29 Cards in this Set

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