Biology

Double Helix
Shape of DNA molecule, due to coiling of the two sugar-phosphate backbone strands into a right-handed spiral configuration
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Monomer
Molecule that when repeated makes up a polymer
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Nucleotide
Molecule consisting of a five-carbon sugar, a phosphate group and a nitrogenous base
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Polynucleotide
A large molecule containing many nucleotides
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DNA polymerase
Enzyme that catalyses formation of DNA from activated deoxyribose nucleotides, using single-stranded DNA as a template
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Helicase
Enzyme that catalyses the breaking of hydrogen bonds between the nitrogenous pairs of bases in a DNA molecule
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Semi-Conservative Replication
How DNA replicates, resulting in two new molecules, each of which contain one old strand and one new strand. One old strand is conserved ineach noew molecule
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Gene
A length of DNA that codes for a polypeptide or for a length of RNA that is involved in regulating gene expression
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Polypeptide
A polymer made of amino acid units joined together by peptide bonds
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Protein
A large polypeptide of 100 or more amino acids
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Transcription
The process of making messenger RNA from a DNA template
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Translation
Formation of a protein, at ribosomes, by assembling amino acids into a particular sequence according to thecoded instructions carried
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Translation
Formation of a protein, at ribosomes, by assembling amino acids into a particular sequence according to thecoded instructions carried from DNA to the ribosome by mRNA
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Other cards in this set

Card 2

Front

Monomer

Back

Molecule that when repeated makes up a polymer

Card 3

Front

Nucleotide

Back

Preview of the front of card 3

Card 4

Front

Polynucleotide

Back

Preview of the front of card 4

Card 5

Front

DNA polymerase

Back

Preview of the front of card 5
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