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Author Question: The isoelectric point of an amino acid is A) the pH at which it exists in the basic form. B) the ... (Read 56 times)

captainjonesify

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on: Aug 27, 2018
The isoelectric point of an amino acid is
 
  A) the pH at which it exists in the basic form.
  B) the pH at which it exists in the acid form.
  C) the pH at which it exists in the zwitterion form.
  D) the pH equal to its pKa.
  E) the pH equal to its pKb.

Question 2

When 7.00  1022 molecules of ammonia react with 6.00  1022 molecules of oxygen according to the chemical equation shown below, how many grams of nitrogen gas are produced? 4 NH3(g) + 3 O2(g)  2 N2(g) + 6 H2O(g)
 
  A) 1.63 g
  B) 1.86 g
  C) 4.19 g
  D) 6.51 g

Question 3

Which of these amino acids has a thiol group as part of its side chain?
 
  A) cysteine
  B) tyrosine
  C) histidine
  D) threonine
  E) methionine


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djpooyouma

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

A

Answer to Question 3

A


captainjonesify

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Reply 2 on: Aug 27, 2018
:D TYSM

kswal303

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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