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Definition
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Term
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Definition
| Viruses that specifically attack bacteria (bacteriophages) |
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Definition
| attack E. Coli (hershey and Chase) |
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Term
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Definition
| injected DNA into the phage inables new viral DNA to produce new viruses |
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Definition
| has twice the amount of DNA as Haploid |
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Term
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Definition
| DNA composition varies from species to species, the four bases are the same, but the ratios are different |
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Definition
%T=%A and %G=%C
Humans 29.4=30.9 and 19.9=19.8 |
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Term
| Purine bonded with purine in double helix |
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Definition
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Term
| Pyrimidine bonded with pyrimidine |
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Definition
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Term
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Definition
| width consistant with x-ray data |
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Term
| nucleotides with retrospect to DNA |
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Definition
linked to form new strands
*can only be added to the 3' end* |
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Term
| Semiconcervitive mode of replication |
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Definition
| double helix replicates each of the daughter molecules will have one old strand and one newly made strand |
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Term
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Definition
| catalyzes the elongation of new DNA at replication fork |
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Term
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Definition
| untwists and seperates the template |
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Term
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Definition
| enzyme cuts out damage, repair by DNA polymerase, DNA ligase seals |
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Term
| Flow of genetic transformation |
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Definition
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Term
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Definition
One gene and one polypeptide
- not all proteins are enzymes and yet their synthesis depends on specific genes |
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Term
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Definition
DNA strand provides a template for the synthesis of a complemetary RNA strand
----in the nucleus----
*produces RNA* |
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Term
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Definition
information conatined in the mRNA is used to determine the amino acid sequence of polypeptide.
----Carried out in ribosomes in ctoplasm---
*mRNA synthesis |
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Term
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Definition
replication begins here
Transcription factors read it. |
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Term
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Definition
| used to transfer amino acids from the cytoplasm's pool to a ribosome and decodes the condone mRNA. (tRNA). |
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Term
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Definition
| brings together mRNA, tRNA with the first amino acid, and the two ribosomal subunits. |
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Term
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Definition
| cnsists od a series of three step cycles as each amino acid is added to the proceeding one. |
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Term
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Definition
| ribosomes move the tRNA with the attached polypeptide from the A site to the P site. |
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Term
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Definition
| occurs when one of the three stop codones reach the A site. |
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Term
| Signal Recognition particle |
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Definition
| binds to a signal peptide and attaches it and its robosomes to the rough ER. |
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Term
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Definition
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Definition
| a region of DNA whose final product is either a polypetide or an RNA molecule. |
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Term
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Definition
Genome enclosed in a protective coat.
-only reproduce in host cell. |
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Term
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Definition
| wither double or single stranded DNA or RNA. Circular or linear molecule of nucleic acid. |
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Definition
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Definition
| limited range of cells the virus can infect |
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Term
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Definition
phage reproduces when host cell as died
EX. Virulent Phages
Bacterium breaks open releasing phages. |
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Term
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Definition
| page genome replicates without destroying host cell. |
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Term
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Definition
| Phage DNA integrated with chromosome bacteria |
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