15 Questions
Which element is not commonly found in proteins?
Sulfur
What is the average nitrogen content of proteins by mass?
15.4%
What is the main elemental composition of proteins?
Carbon, Hydrogen, Nitrogen, Oxygen
What percentage of a cell's overall mass do proteins account for?
15%
What functional groups are attached to the alpha (a) carbon in amino acids?
Amino and carboxyl groups
Which of the following elements is commonly found in proteins?
Carbon
What is the primary function of proteins in cells?
Structural support
What is the elemental composition of proteins?
Carbon, hydrogen, nitrogen, oxygen, phosphorus
What is the average nitrogen content of proteins by mass?
15.4%
What functional groups are attached to the alpha (a) carbon in amino acids?
Amino (-NH2) and carboxyl (-COOH) groups
Which of the following is NOT a characteristic of proteins?
Are branched polymers
What is the elemental composition of proteins?
Carbon, hydrogen, nitrogen, oxygen, and phosphorus
What is the most abundant molecule in cells after water?
Proteins
What functional groups are attached to the alpha (a) carbon in amino acids?
Amino (-NH2) and carboxyl (-COOH) groups
What is the average nitrogen content of proteins by mass?
15.4%
Test your knowledge on proteins in biochemistry with this quiz. Learn about the characteristics and classification of proteins, including non-polar amino acids.
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