An enzyme-catalyzed reaction was carried out with the substrate concentration initially a thousand times greater than the Km for that substrate.  After 9 minutes, 1% of the substrate had been converted to product, and the amount of product formed in the reaction mixture was 12 micromol.  If, in a separate experiment, one-third as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (12 micromol) of product to be formed?

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#Question id: 28515

#Unit 5. Developmental Biology

Which of the following is correct prediction, If an extra AER is grafted onto an existing limb bud?

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#Question id: 4485

#Unit 3. Fundamental Processes

In multicellular organisms, regulatory sequences can spread thousands of nucleotides from the promoter—both upstream and downstream—and can be made up of tens of regulator binding sites. Often, these binding sites are grouped in units called_?

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#Question id: 28492

#Unit 5. Developmental Biology

the cells found within the most posterior region of the progress zone is called__

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#Question id: 26505

#Unit 3. Fundamental Processes

Which of the splicing snRNPs is common in both major and minor

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#Question id: 32145

#Unit 1. Molecules and their Interaction Relevant to Biology

Flattened out on helix surface of Major-groove proportions are found in