Indicate whether the following compounds are likely to cross a membrane by nonmediated or mediated transport: (a) ethanol, (b) glycine, (c) cholesterol, (d) ATP.

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#Question id: 289

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements describes a covalent bond between Carbon and Hydrogen:

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#Question id: 14994

#Unit 4. Cell Communication and Cell Signaling

The absence of MHC class I, which is expressed by almost all normal cells, but is specifically down-regulated by some tumors and in response to some viral infections, it will undergo apoptosis by

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#Question id: 14085

#Unit 1. Molecules and their Interaction Relevant to Biology

The edge of an A:T base pair displays the chemical groups in the order in the major groove. The code would be

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#Question id: 13074

#Unit 13. Methods in Biology

Type of probe used in RFLP;

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#Question id: 18750

#Unit 13. Methods in Biology

Choose the correct statement.