You have two bottles, each of which contains a white, crystalline substance. Your lab director tells you that one contains lactose and the other sucrose. Your job is to determine which bottle contains which sugar. Which procedure would you use?

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#Question id: 62

#SCPH06 I Botany

We can represent atoms by listing the number of protons, neutrons, and electrons—for example, 2p+, 2n0, 2e- for helium. Which of the following represents the 18O isotope of oxygen?

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#Question id: 63

#SCPH05 I Biotechnology

The two molecules shown in the figures are best described as ________.

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#Question id: 63

#SCPH06 I Botany

The two molecules shown in the figures are best described as ________.

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#Question id: 64

#SCPH05 I Biotechnology

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

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#Question id: 64

#SCPH06 I Botany

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

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#Question id: 65

#SCPH05 I Biotechnology

Identify which of the following pair is enantiomers, diastereomers or meso compounds.