12 Questions
Which type of macromolecule is synthesized by condensation reactions?
Proteins
What is the role of enzymes in cells?
Catalysts for chemical reactions
How many common small molecules are used to synthesize most biological macromolecules in cells?
30
Which category of proteins provides physical support and shape to cells?
Structural proteins
What is the characteristic of the R group for all amino acids?
Unique for each amino acid
How many amino acids have hydrophilic R groups?
11
What is the function of motility proteins in cells?
Contraction and movement
Which type of proteins enable cells to respond to chemical stimuli from the environment?
Receptor proteins
How many amino acids have nonpolar, hydrophobic R groups?
9
What is the characteristic of the R groups for hydrophilic amino acids?
Polar or charged at cellular pH
Why do proteins fall into nine major classes?
To serve different functions within the cell
What is the unique characteristic of the α carbon atom in amino acids?
It is asymmetric
Explore the synthesis of polymers through condensation reactions, the common small molecules used in biological macromolecule synthesis, and the nine major classes of proteins found in organisms. Learn about the functions of proteins as catalysts, structural support, and motility in cells.
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