Below is an image of two amino acids forming a dipeptide. In the dipeptide, the two amino acids are combined through a peptide bond. a. Circle the a carbon in each of these amino acids. b. Now find the variable group. For amino acid 1, the variable group is polar or nonpolar? Ho но +H For amino acid 2, the variable group is polar or nonpolar? c. What functional group is formed when the dipeptide forms (look back at your functional group page from the Chemistry Discussion)? H-N-C-C. CH ₂ OH H *H_ H 0 CH₂ OH + ↓ H-N-C-C. но | || H-NIC-C-N-C-C H но | || N-C-0-0- H CH3 CH3 0 + HOH

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Chapter1: Chemical Foundations
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2. Below is an image of two amino acids forming a dipeptide. In the dipeptide, the
two amino acids are combined through a peptide bond.
a. Circle the a carbon in each of these amino acids.
b.
Now find the variable group. For amino acid 1, the variable group is polar
or nonpolar?
For amino acid 2, the
variable group is polar or
nonpolar?
c. What functional group is
formed when the
dipeptide forms (look
back at your functional
group page from the
Chemistry Discussion)?
H-N-C-C.
EN
H
+H-
Ho
111
H
CH₂
OH
e. What is this type of reaction called?
X
HO
| ||
H-N-C-C-N-C-C
H
| ||
H-N-C-C
EN-
HO
1 11
ç
H
| |
CH, H CH₂
1
OH
d. What are the two products produced in this reaction?
f. Draw an arrow on the image to indicate the peptide bond.
-o
C=O
!_
CH3
-o
+ HOH
th th
O
Transcribed Image Text:2. Below is an image of two amino acids forming a dipeptide. In the dipeptide, the two amino acids are combined through a peptide bond. a. Circle the a carbon in each of these amino acids. b. Now find the variable group. For amino acid 1, the variable group is polar or nonpolar? For amino acid 2, the variable group is polar or nonpolar? c. What functional group is formed when the dipeptide forms (look back at your functional group page from the Chemistry Discussion)? H-N-C-C. EN H +H- Ho 111 H CH₂ OH e. What is this type of reaction called? X HO | || H-N-C-C-N-C-C H | || H-N-C-C EN- HO 1 11 ç H | | CH, H CH₂ 1 OH d. What are the two products produced in this reaction? f. Draw an arrow on the image to indicate the peptide bond. -o C=O !_ CH3 -o + HOH th th O
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