
Concept explainers
(a)
Interpretation: Questions based upon the given representations are to be answered.
Concept introduction: Cell membrane is made up of phospholipids bilayer. The polar groups of the phospholipids bilayer are also known as hydrophilic heads. The non polar groups are hydrophobic fatty acid tails.
To determine: The nuclide which is product of beta decay from tritium; the nuclides which will produce two alpha particles when bombarded with neutrons and the
(b)
To determine: The metal which binds to the nitrogen atom in [D] and the metal which binds to the nitrogen atom in [F].
(c)
To determine: The important structural features in [B] and each labeled polar and non-polar groups.
(d)
To determine: The kind of substances that are likely to pass through channel in [B].
(e)
To determine: The substance among [G], [H] and [I] which must pass through a channel to enter a cell.
(f)
To determine: The substance among [G], [H] and [I] which does not require a channel to enter a cell.

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Chapter 21 Solutions
Chemistry: The Science in Context (Fifth Edition)
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