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[whats-in-a-sentence]

Happy for all her maternal feelings was the day on which Mrs. Bennet got rid of her two most deserving daughters.

"Pride and Prejudice" - Jane Austen

[whats-in-a-sentence]

A typical electrophoresis separation set-up is shown in figure 24.4a,b.

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

Mr. Darcy's letter to Lady Catherine was in a different style; and still different from either was what Mr. Bennet sent to Mr. Collins, in reply to his last.

Dear sir,

I must trouble you once more for congratulations. Elizabeth will soon be the wife of Mr. Darcy. Console Lady Catherine as well as you can. But, if I were you, I would stand by the nephew. He has more to give.

Yours sincerely, &c.

"Pride and Prejudice" - Jane Austen

[whats-in-a-sentence]

To aid your understanding, table 24.3 shows the ratios of undissociated acids, HA, compared with the conjugate base, A-, at physiological pH for various pKa values.

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

(Recall from chapter 11 that the smaller the pKa the more acidic is the group. At lower pH, carboxylic acids are found in the RCOOH form and amines are found in the RNH3+ form. At higher pH, the opposite is true; carboxylic acids are present as the salt RCOO- and amines are present as uncharged RNH2. Figure 24.3 on p. 1061 shows how this looks at different pH.)

Next, the solution is titrated with 1.00 M NaOH; the volume of base added and the pH of the resulting solution are recorded and then plotted as shown in figure 24.3. (...) By examining the titration curve (figure 24.3), you can see that the isoelectric point for glycine falls halfway between the pKa values for the carboxyl groups and the ammonium ion:

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

From an unwillingness to confess how much her intimacy with Mr. Darcy had been over-rated, Elizabeth had never yet answered Mrs. Gardiner's long letter; but now, having that to communicate which she knew would be most welcome, she was almost ashamed to find that her uncle and aunt had already lost three days of happiness, and immediately wrote as follows:

I would have thanked you before, my dear aunt, as I ought to have done, for your long, kind, satisfactory, detail of particulars; but to say the truth, I was too cross to write. You supposed more than really existed. But now suppose as much as you choose; give a loose reign to your fancy, indulge your imagination in every possible flight which the subject will afford, and unless you believe me actually married, you cannot greatly err. You must write again very soon, and praise him a great deal more than you did in your last. I thank you, again and again, for not going to the Lakes. How could I be so silly as to wish it! Your idea of the ponies is delightful. We will go round the Park every day. I am the happiest creature in the world. Perhaps other people have said so before, but not one with such justice. I am happier even than Jane; she only smiles, I laugh. Mr. Darcy sends you all the love in the world that he can spare from me. You are all to come to Pemberley at Christmas. Yours, etc.

"Pride and Prejudice" - Jane Austen

[whats-in-a-sentence]

Table 24.2 gives pKa values for each ionisable group of the 20 protein-derived amino acids. (...) The isoelectric points for common amino acids are given in table 24.2.

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

Elizabeth's spirits soon rising to playfulness again, she wanted Mr. Darcy to account for his having ever fallen in love with her.

"Pride and Prejudice" - Jane Austen

[whats-in-a-sentence]

It is found in the amino acids cysteine (Cys) and methionine (Met) (table 24.1, p. 1057) in which the sulfur-containing functional group is a thiol and thioether, respectively.

Table 24.1 gives common names, structural formulae and standard three-letter and one-letter abbreviations for the 20 common L-amino acids found in proteins.

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

Figure 24.2 shows the Fischer projection formulae for the enantiomers of alanine.

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

"My dear Lizzy, where can you have been walking to?" was a question which Elizabeth received from Jane as soon as she entered their room, and from all the others when they sat down to table.

"Pride and Prejudice" - Jane Austen

[whats-in-a-sentence]

The general structural formula of an α-amino acid is shown in figure 24.1.

Although figure 24.1 seems to be a typical way of writing structural formulae for amino acids, it is not accurate because it shows an acid (-COOH) and a base (-NH2) within the same molecule. These acidic and basic groups react with each other to form an internal salt (a dipolar ion) (figure 24.1b), which is given the special name zwitterion.

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

Instead of receiving any such letter of excuse from his friend, as Elizabeth half expected Mr. Bingley to do, he was able to bring Darcy with him to Longbourn before many days had passed after Lady Catherine's visit.

"Pride and Prejudice" - Jane Austen

[whats-in-a-sentence]

The properties of amino acids arise from a combination of the chemistry of amines (chapter 19) and that of carboxylic acids (chapter 23).

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[whats-in-a-sentence]

Child

on Top

of a

Greenhouse

Theodore Roethke

The wind billowing out the seat of my britches,

My feet crackling splinters of glass and dried putty,

The half-grown chrysanthemums staring up like accusers,

Up through the streaked glass, flashing with sunlight,

A few white clouds all rushing eastward,

A line of elms plunging and tossing like horses,

And everyone, everyone pointing up and shouting!

"Reflections on a Gift of Watermelon Pickle... And Other Modern Verse" - compiled by Stephen Dunning, Edward Lueders, and Hugh Smith

[whats-in-a-sentence]

The discomposure of spirits which this extraordinary visit threw Elizabeth into, could not be easily overcome; nor could she, for many hours, learn to think of it less than incessantly.

"Pride and Prejudice" - Jane Austen

[whats-in-a-sentence]

One morning, about a week after Bingley's engagement with Jane had been formed, as he and the females of the family were sitting together in the dining-room, their attention was suddenly drawn to the window, by the sounds of a carriage; and they perceived a chaise and four driving up the lawn.

"Pride and Prejudice" - Jane Austen