Because they lack aspartate kinase and aspartate semialdehyde dehydrogenase, ________ cannot synthesize lysine, methionine or threonine.

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#Question id: 19512

#XL - P Chemistry

In a group of the periodic table the Ionization enthalpies of the elements decreases from top to bottom because of ———-

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#Question id: 19513

#XL - P Chemistry

The smallest ion among the following is

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#Question id: 19514

#XL - P Chemistry

A cathode and an anode are the most common components of an electrochemical cell. Which of the following claims about the cathode is correct?

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#Question id: 19515

#XL - P Chemistry

Which of the following claims about electrochemical cells is true?

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#Question id: 19516

#XL - P Chemistry

Which of the following does not belong in the category of electrochemical cells?

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#Question id: 19517

#XL - P Chemistry

Which of the following assertions about the main cell is correct?