Review for test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Molecular Biology | Study of heredity at the molecular level
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R-Strain | Harmless strain
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S-strain | pathogenic strain
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T2 | virus that infects the becterium E
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bacteriophage | virus that exclusively infect bacteria
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nucleotides | sugar
nitrogen containing base
phosphate group
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sugar phosphate backbone | nucleotides that joined to one another by covalent bonds between sugars and phosphates
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DNA replication | All cells come from preexisting cells
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DNA helicase | Pull apart the parental DNA double helix into 2 single strands
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DNA polymerase | Connects free nucleotides
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Free nucleotides | Free to attach strands
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Semiconservative Replication | DNA replication conserves one parental starand and produces one newly synthesized strand
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Biochemical pathways | Series of linked steps where cells synthesize molecules
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mRNA | messenger
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tRNA | transfer
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rRNA | ribosomal
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Transcription | RNA synthesis
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Translation | protein synthesis
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Genetic code | Translates the sequence of bases in nucleic acids into the sequence of amino acids in proteins
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Start Codon | AUG
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Stop Codon | UAA
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mRNA triplets | Reading 3 base codons
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promoter | Untranscribed sequence of DNA bases
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3 steps to translation | 1. Initation of protein synthesis
2. Elongation of the protein chain
3. Termination
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3 steps of transcription | Initation - occurs at promoter
elongation - occurs at the body of the gene
Termination - occurs at end of gene with a signal
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( ) is transcribed into ( ) then translated into ( ) | DNA, RNA,Proteins
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Replicate this ATGCGATAT | TACGCTATA
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Transcribe this TAGCGTATG | AUCGCAUAC
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Sugar | DNA - Dexoyribose
RNA - ribose
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Strands | DNA - Double
RNA - Single
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Nitrogenous Bases | DNA - ATGC
RNA - AUGC
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Base pairs | DNA - A=T G=C
RNA - A=U G=C
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Created by:
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