Gastrulation in sea urchins, Drosophila, and Xenopus all begin with a change in cell shape, in which the apical surface of an epithelial sheet contracts. This process is called:

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#Question id: 19679

#XL - P Chemistry

The aromatic primary amine with the formula C7H9N has an incorrect name.

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#Question id: 19680

#XL - P Chemistry

Which test can tell the difference between p-chloroaniline and anilinium hydrochloride?

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#Question id: 19681

#XL - P Chemistry

By reacting with which of the following, primary amines can be separated from secondary and tertiary amines?

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#Question id: 19682

#XL - P Chemistry

Which of the following statements concerning methylamine is correct?

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#Question id: 19683

#XL - P Chemistry

Which of these substances has a lower melting point than amine?

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#Question id: 19752

#XL - P Chemistry

Which of the following is ionic ?