The probability that a man aged 50 years will die within a year is 0.01125. The probability that out of 12 such men at least 11 will reach their fifty first birthday.

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#Question id: 27635

#Unit 1. Molecules and their Interaction Relevant to Biology

The arrangement of successive amide planes has a pleated appearance due to the

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#Question id: 5306

#Unit 11. Evolution and Behavior

 If the sequence of a cDNA has matches with DNA sequences in the genome, then this genomic DNA could be described by which of the following statements?

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#Question id: 769

#Unit 1. Molecules and their Interaction Relevant to Biology

MicroRNAs are developed from:

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#Question id: 11393

#Unit 9. Diversity of Life Forms

Given that the enzymes that catalyze nitrogen fixation are inhibited by oxygen, what are two ʺstrategiesʺ that nitrogen-fixing prokaryotes might use to protect these enzymes from oxygen?

1.  couple them with photosystem II (the photosystem that splits water molecules)

2.  package them in membranes that are impermeable to all gases

3.  be obligate anaerobes

4.  be strict aerobes

5.  package these enzymes in specialized cells or compartments that inhibit oxygen entry

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#Question id: 18988

#Unit 13. Methods in Biology

which is used primarily for the identification of potential eukaryotic gene regulatory elements, such as promoters and enhancers.