Given the pKa values of different acidic sites in cysteine, the principal ionic form which will never exist at any pH

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#Question id: 23658

#Unit 13. Methods in Biology

How many recombinant clones must be screened in order to be 99% certain that a particular gene is found in a YAC library of human DNA where the average size of an insert is 500 kbp? The human genome size is about 3.2 x 10⁶ kbp. 

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#Question id: 15481

#Unit 12. Applied Biology

One of the approaches for the bacterial strain improvement for primary metabolite include

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#Question id: 24673

#Unit 2. Cellular Organization

Which of the following properties is (are) typical of uniport proteins?

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#Question id: 28740

#Unit 2. Cellular Organization

Which of the following is a major sites of oxygen utilization ?

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#Question id: 7033

#Unit 5. Developmental Biology

Fertilization can occur anywhere in the animal hemisphere of the amphibian egg. The point of sperm entry is important because it determines