Q1. Which of the following statements about protein digestion are true? a. Most
ID: 853515 • Letter: Q
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Q1. Which of the following statements about protein digestion are true?
a. Most of the hydrolysis of polypeptides takes place in the small intestine.
b. The tertiary and secondary structures of proteins unfold due to the action of the enzymes in the gut.
c. Some proteins are broken down into amino acids by the process of chewing..
d. The primary structure of a protein is destroyed by hydrolysis.
e. Pepsin is active only in an acidic environment.
f. Hydrochloric acid in the stomach denatures proteins and activates some enzymes.
Q2 Draw the ester that is formed from the reaction of benzoic acid and ethanol.
Name the heterocyclic substituent found in the molecule shown according to the general type of nitrogen-containing ring to which it belongs.
Enter the name of the heterocyclic amine.
a. Most of the hydrolysis of polypeptides takes place in the small intestine.
b. The tertiary and secondary structures of proteins unfold due to the action of the enzymes in the gut.
c. Some proteins are broken down into amino acids by the process of chewing..
d. The primary structure of a protein is destroyed by hydrolysis.
e. Pepsin is active only in an acidic environment.
f. Hydrochloric acid in the stomach denatures proteins and activates some enzymes.
Q2 Draw the ester that is formed from the reaction of benzoic acid and ethanol.
Name the heterocyclic substituent found in the molecule shown according to the general type of nitrogen-containing ring to which it belongs.
Enter the name of the heterocyclic amine.
Q1. Which of the following statements about protein digestion are true? a. Most of the hydrolysis of polypeptides takes place in the small intestine. b. The tertiary and secondary structures of proteins unfold due to the action of the enzymes in the gut. c. Some proteins are broken down into amino acids by the process of chewing.. d. The primary structure of a protein is destroyed by hydrolysis. e. Pepsin is active only in an acidic environment. f. Hydrochloric acid in the stomach denatures proteins and activates some enzymes. Q2 Draw the ester that is formed from the reaction of benzoic acid and ethanol. Name the heterocyclic substituent found in the molecule shown according to the general type of nitrogen-containing ring to which it belongs. Enter the name of the heterocyclic amine.Explanation / Answer
Q1. a. Most of the hydrolysis of polypeptides takes place in the small intestine. True
b. The tertiary and secondary structures of proteins unfold due to the action of the enzymes in the gut. False
The unfolding of tertiary and secondary structures of proteins takes place due to action of HCl.
c. Some proteins are broken down into amino acids by the process of chewing.. False
The process of chewing increases the surface area of food.
d.The primary structure of a protein is destroyed by hydrolysis. False
Denaturation is different from hydrolysis
e. Pepsin is active only in an acidic environment. True
f. Hydrochloric acid in the stomach denatures proteins and activates some enzymes.True
It activates pepsinogen to be converted to pepsin and it denatures proteins.
Q2. C6H5COOH (benzoic acid) + C2H5OH (ethanol) ----------> C6H5COOC2H5 ( ethyl benzoate) + H2O
Q3. The heterocyclic nucleus is called pyrimidine.
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