An aqueous solution contains two compounds X and Y. This solution gave absorbance values of 1.0 and 0.4 at 220 and 280 nm, respectively, in a 1 cm path length cell. Molar absorption coefficients (ε) of the compounds X and Y are as shown in the table below.

The concentration of Y in the solution is___________ mM.

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#Question id: 26812

#Unit 8. Inheritance Biology

In an individual heterozygous, the abnormal chromosome loops out during chromosome pairing in prophase I, in which condition?

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#Question id: 12096

#Unit 10. Ecological Principles

An important evolutionary benefit of sexual reproduction is that

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#Question id: 4946

#Unit 11. Evolution and Behavior

Although absolute distinctions between the ʺmost evolvedʺ protobiont and the first living cell are unclear, biologists generally agree that one major difference is that the typical protobiont could not

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#Question id: 5771

#Unit 8. Inheritance Biology

XXY is a condition known as

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#Question id: 27006

#Unit 10. Ecological Principles

Which of these statements about dinoflagellates is false?