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Definition
| Making sure the best carbon source is used up before the other sources are used. |
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| Happens when there is more than one quality source for energy. Has an exponential phase, a short lag phase and then another exponential phase. |
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Definition
| A process used by cells to make sure they are a large enough population to have a biological effect. |
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Definition
A way to control the activity of enzymes. The regulation occurs because the end product inhibits the first enzymes. This process is reversible. |
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Term
| Two main modes of regulation |
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Definition
Controlling activity of enzyme Controlling the amount of an enzyme (presence and absence) |
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Term
| How protect from own restriction enzymes |
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Definition
Restriction Modification System Modification enzymes keep this from occuring by methylating the bases so the restriction enzymes cannot bind. |
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Term
Restriction Enzymes What are they? How do they work? |
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Definition
| They are homodimeric proteins that chemically modify DNA. They work by recognizes specific DNA sequences on the palindrome and cleaving at them. |
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Definition
Chromosome Viruses Plasmids Organellar Genomes Transposable Elements CV POT |
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Term
| Eukaryotic vs. Prokaryotic supercoiling |
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Definition
Euk-proteins called histones from nucleosomes which form supercoils. Nucleosomes form chromatin which forms chromosomes. Prk-Don't use histones, use enzymes. Topisomerase I and II wind and unwind |
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Term
| Six Main Parts of Bacteriophage |
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Definition
| Head, Collar, Tail, Tail Pins, Endplate, and Tail Fibers |
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