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Biology 104
DNA
21
Biology
Undergraduate 1
11/20/2009

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Term
DNA
Definition
Molecule that genes are made of
Term
Transformation
Definition
Ability of a cell to take up DNA and use the info. found in the DNA
Term
Watson & Crick
Definition
Scientist who produced a model of DNA structure
Term
Nucleotides
Definition
Building blocks of DNA
Term
3 components of Nucleotides
Definition
sugar, phosphate, and bases
Term
Helicase
Definition
Enzyme that unwinds the DNA double helix
Term
MRNA
Definition
Name of the copy of Dna in transcription
Term
rRNA
Definition
Type of RNA found in ribosomes
Term
Entrons
Definition
Non coding sequences of DNA that are removed from the RNA copy
Term
Exons
Definition
Coding sequences of the RNA transcipt that are spliced together
Term
Codon
Definition
3 nucleotide sequence on mRNA that codes
Term
Anti Codon
Definition
3 necleotide sequence that pairs up with each codon of mRNA
Term
Genetic Code
Definition
64 codons that code for amino acids and is universal
Term
Protein
Definition
Ulitimate product of a gene
Term
Mutation
Definition
Permanent change in a cells genetic information
Term
Germ Line Cells
Definition
Type of cells in which mutation occur and can be passed onto the offspring
Term
Somatic Cells
Definition
Type of cells in which mutations occur and cannot be inherited
Term
Point mutations
Definition
Substitution, insertion, and deletion
Term
Genetic Engineering
Definition
Moving genes for one organism to another
Term
Gelelectrophoresis
Definition
Technique used to seperate DNA fragments by size and results in a unique banding pattern
Term
Products and Uses of biotechnology
Definition
make medications, HgH, insulin, heart medications, vaccinations, pesticides for crops, and make better food
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