Pyranose rings are usually most stable when the ring adopts a ________ conformation with the bulkiest ring substituents in ________ positions.

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#Question id: 3803

#XL - Q Biochemistry

OriC is to E. coli as _________ is to yeast.

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#Question id: 50

#XL - Q Biochemistry

The enzyme fumarase catalyzes the reverse hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. This is an example of:

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#Question id: 3254

#XL - T Zoology

Consider a single locus with 2 alleles which are at Hardy-Weinberg equilibrium. If the frequency of the heterozygous genotypes is 0.42, what is the frequency of one homozygote in the population?

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#Question id: 3001

#XL - S Microbiology

Which of the following participate in heat resistance of endospore?

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#Question id: 19615

#XL - P Chemistry

The reaction rate constant can be defined as the rate of reaction when each reactant’s concentration is ___________.