Chapter 4
Biology: How Life Works · 8 exercises
Problem 1
Draw one of the 20 amino acids and label the amino group, the carboxyl group, the R group (side chain), and the a carbon.
6 step solution
Problem 2
Name four major groups of amino acids, categorized by the properties of their R groups. Explain how the chemical properties of each group affect protein shape.
6 step solution
Problem 3
Describe how peptide bonds, hydrogen bonds, ionic bonds, disulfide bridges, and noncovalent interactions (van der Waals forces and the hydrophobic effect) define a protein's four levels of structure.
4 step solution
Problem 4
Explain how the order of amino acids determines the way in which a protein folds.
4 step solution
Problem 5
Explain the relationship between protein folding and protein function.
4 step solution
Problem 6
Describe the relationship between the template strand of DNA, the codons in mRNA, anticodons in tRNA, and amino acids.
4 step solution
Problem 7
Describe the steps of translation initiation, elongation, and termination.
3 step solution
Problem 8
Name and describe two ways that proteins can acquire new functions in the course of evolution.
4 step solution