3.4.1 DNA, genes and chromosomes

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14 Terms

1

characteristics of the genetic code which means it is shared across all organism

Universal

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2

characteristic of the genetic code which means each nucleotide in a DNA sequence is only used once

non-overlapping

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3

characteristic of the genetic code which means more than one triplet can code for an amino acid

degenerate

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4

Features of Prokaryotic DNA

-Short

-circular

-not associated with proteins

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5

Features of Eukaryotic DNA

-long

-linear

-associated with histone proteins

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6

Features of Chloroplast/mitochondrion DNA

short, circular no associated with histone proteins

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7

Gene

a sequence of bases which codes for a specific protein or RNA molecule

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8

what a gene is transcribed to produce

-an amino acid sequence for a polypeptide

-a functional (t/m)RNA molecule that is translated into a protein

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9

Locus

a fixed location on a particular chromosome where a gene is located

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10

triplet

a sequence of three bases which codes for a specific amino acid

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11

Name for a triplet in mRNA

codon

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12

name for a triplet in tRNA

anticodon

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13

Genome

Complete set of genes in an organism

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14

Proteome

full range of proteins that a cell is able to produce

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