Nitrogen and Phosphorous Containing Compounds

Question 1

What is the structure of amino acids?

Answer 1

contain an amino group and a carbonyl group attached to a single carbon, which has a H and an R group on the carbon

Question 2

Which amino acids are nonpolar aromatic?

Answer 2

alanine, valine, leucine, isoleucine, glycine, proline, methionine

Question 3

Which amino acids are aromatic?

Answer 3

tryptophan, phenylalanine, tryosine

Question 4

Which amino acids are polar?

Answer 4

serine, threonine, asparagine, glutamine, cysteine

Question 5

Which amino acids are negatively charged?

Answer 5

aspartic acid, glutamic acid

Question 6

Which amino acids are positively charged?

Answer 6

arginine, lysine, histidine

Question 7

_____ form polypeptides which are the basis of _____.

Answer 7

Amino acids; proteins

Question 8

How are peptide bonds formed?

Answer 8

condensation reaction

Question 9

What does the Strecker synthesis do?

Answer 9

aldehyde —> amino acid

Question 10

What are the reagents for Strecker synthesis?

Answer 10

aldehyde, ammonium chloride, potassium chloride

Question 11

What are the three reaction types in Strecker synthesis?

Answer 11

condensation reaction, nucleophilic addition, hydrolysis

Question 12

What is the Gabriel synthesis?

Answer 12

Phthalimide + Diethyl Bromomalonate —-> amino acid

Question 13

What are the reaction types in Gabriel synthesis?

Answer 13

2 Sn2, hydrolysis, decarboxylation