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Questions and Answers
What type of amino acids are found in proteins?
What type of amino acids are found in proteins?
- b-amino acids
- c-amino acids
- a-amino acids (correct)
- d-amino acids
What functional groups does an amino acid contain?
What functional groups does an amino acid contain?
- Aldehyde group and ketone group
- Hydroxyl group and carbonyl group
- Ester group and ether group
- Amino (!NH2) group and carboxyl (!COOH) group (correct)
Where are the amino group and carboxyl group attached in an a-amino acid?
Where are the amino group and carboxyl group attached in an a-amino acid?
- To the b-carbon atom
- To the c-carbon atom
- To the a-carbon atom (correct)
- To the d-carbon atom
What percentage of a cell's overall mass do proteins account for?
What percentage of a cell's overall mass do proteins account for?
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What is the average nitrogen content of proteins by mass?
What is the average nitrogen content of proteins by mass?
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Which element is found in proteins but not in carbohydrates and lipids?
Which element is found in proteins but not in carbohydrates and lipids?
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Which element is an essential constituent of certain specialized proteins?
Which element is an essential constituent of certain specialized proteins?
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Which protein is the main protein of milk and contains phosphorus?
Which protein is the main protein of milk and contains phosphorus?
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