16 Questions
What is the discipline that uses the principles and language of chemistry to explain biology?
Biological chemistry
Which of the following is NOT a principal type of biomolecule?
Enzymes
What is the function of biological membranes?
Regulation of nutrient transport
Which organelle is responsible for the synthesis of proteins?
Endoplasmic reticulum
What is the primary function of amino acids and proteins in living organisms?
Cell structure building
How are amino acids commonly classified based on the relative polarities of the R-groups?
Hydrophobic and hydrophilic
What is the primary role of proteins in living systems?
Acting as catalysts for biochemical reactions
How are amino acids joined together in proteins?
Via peptide bonds
What percentage of the dry weight of an organism is typically composed of proteins?
50%
Which of the following is NOT a function of proteins?
Energy storage
What are the monomer units that constitute proteins?
Amino acids
What distinguishes one amino acid from another?
The structure of its side chain (R group)
Which type of amino acid can be synthesized in the body?
Essential amino acids
Based on their interaction with water, how are amino acids classified?
Based on their polarity
What is the primary role of L-α-amino acids in living systems?
Building proteins
What is the distinctive feature of an α-carbon in an amino acid?
It is attached to four different groups or atoms
Test your knowledge about the basics of biochemistry, the discipline that uses chemistry principles to explain biological processes in living organisms, focusing on the role, function, and structure of biomolecules.
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