Bootstrap analysis evaluates evolutionary trees by sampling columns from the original alignment with replacement (multiplying or removing some of them) and computing a proportion of times that a particular branch appears in the resulting trees. What is the main idea behind this approach?

2273

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What are acounting Pi electron's?

2394

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What is a proteic unit?

2754

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What is a repartition coefficient?

2528

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How to synthesize methylene bisthiocyanate using CH2Cl2 and NaSCN?

3078

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You have been provided with a set of plates of fungi isolated from a diseased leaf, one Chytridiomycota, one Zygomycota, one Ascomycota and one Basidiomycota. The signs of infection indicate that the disease has been caused by a member of Ascomycota which does not form a sexual stage easily. What features would you look for in your isolates to indicate if the target fungus was present?

2033

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In cleared and stained root material you have seen structures that appear to be empty sacs in the epidermal cells with ostioles that exit to the soil. Which division are these fungi likely to be from?

2217

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Toxin X is released only in mature spores of a single fungus and only when both alleles at a single locus are present. The toxin is never observed when the alleles are together in hyphae or modified hyphae. What division is the fungus found in?

2189

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What does the Haversian (central) canal in each osteon contains?

3323

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2415

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What are your strengths and weaknesses

3416

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What are the differences between Genetic Engineering and breeding?

3621

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What are the down sides of Genetic Engineering?

2041

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Can you name a few potential risks of Genetic Engineering?

2086

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How is Genetic Engineering currently used?

2481

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