NH₂ NH₂ OH NH3 NaⓇ Products A Products C Choose the correct neutralization products for the amino acid, alanine. NH3 O OH OH Products B no reaction Products D A) Products A B) Products B C) Products C D) Products D

Chemistry: Matter and Change
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ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
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Chapter21: Hydrocarbons
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1. Which of the following amino acids have R groups that are hydrophobic? Isoleucine, Valine and Tryptophan 

a. Isoleucine, Valine and Tryptophan are all hydrophobic 

b. Only isoleIcine and Valine are hydrophobic 

c. Only valine and tryptophan are hydrophobic 

d. Only isoleucine is hydrophobic 

e. None of the listed amino acids are hydrophobic 

### Question 5 of 36

**Amino acids undergo neutralization reactions at physiological pH (~7.4) to form a zwitterionic structure.**

**Choose the correct neutralization products for the amino acid, alanine.**

#### Diagram

The diagram shows the neutralization reaction for alanine. Alanine transitions from its initial form to one of the four possible products. The possible products are labeled as A, B, C, and D.

- **Products A:** Alanine with the carboxyl group deprotonated, represented as COONa, and the amine group in its neutral form, NH2.
- **Products B:** Alanine with the carboxyl group in its acidic form, COOH, and the amine group protonated, represented as NH3+.
- **Products C:** Alanine with the carboxyl group in its deprotonated form, COO^-, and the amine group in its protonated form, NH3+.
- **Products D:** No reaction.

#### Question

**Options:**

A) Products A  
B) Products B  
C) Products C  
D) Products D  

**Select the correct option that represents the neutralization product of alanine at physiological pH.**
Transcribed Image Text:### Question 5 of 36 **Amino acids undergo neutralization reactions at physiological pH (~7.4) to form a zwitterionic structure.** **Choose the correct neutralization products for the amino acid, alanine.** #### Diagram The diagram shows the neutralization reaction for alanine. Alanine transitions from its initial form to one of the four possible products. The possible products are labeled as A, B, C, and D. - **Products A:** Alanine with the carboxyl group deprotonated, represented as COONa, and the amine group in its neutral form, NH2. - **Products B:** Alanine with the carboxyl group in its acidic form, COOH, and the amine group protonated, represented as NH3+. - **Products C:** Alanine with the carboxyl group in its deprotonated form, COO^-, and the amine group in its protonated form, NH3+. - **Products D:** No reaction. #### Question **Options:** A) Products A B) Products B C) Products C D) Products D **Select the correct option that represents the neutralization product of alanine at physiological pH.**
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