The long product of PCR is generated in

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#Question id: 32587

#Unit 2. Cellular Organization

What happens to the endoplasmic reticulum (ER) and the Golgi apparatus when cells are treated with a drug that depolymerizes microtubules, such as colchicine or nocodazole?

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#Question id: 30117

#Unit 1. Molecules and their Interaction Relevant to Biology

Catabolic end product of purines is

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#Question id: 26952

#Unit 10. Ecological Principles

Exponential growth represents

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#Question id: 10517

#Unit 6. System Physiology – Plant

plant–insect herbivore interactions releases three types of hormone including—

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#Question id: 15637

#Unit 13. Methods in Biology

You have isolated two mutations in the Lac operon that cause constitutive expression of Lac genes. You designate these mutants Lac1– and Lac2–. Making use of an F' that carries the Lac operon with the LacY gene mutated, you construct strains that you test for both ß-galactosidase activity and Lac permease activity with results shown below.

     

Classify each mutation as dominant or recessive and as cis- or trans-acting, giving the experimental result that allows you to arrive at each conclusion. Finally, deduce what type of Lac mutation best fits the properties of Lac 1– and of Lac 2–.