Protein Structure and Function

What can form a diffusion barrier similar to the nuclear pore?

What type of bonds form between adjacent cysteine side chains?

What is a common feature of protein assemblies?

What is the shape of the protein coat or capsid of many simple viruses?

What is the function of the capsid in viral structures?

What is a characteristic of protein subunits in viral capsids?

What is the approximate diameter of the tomato bushy stunt virus (TBSV)?

How many identical copies of the capsid protein are present in the TBSV?

What is the purpose of the proteolytic enzyme in insulin assembly?

What is the function of the short amyloid fibrils formed by peptide hormones of the endocrine system?

What is the name of the extensively studied yeast prion protein?

What type of bonds are disrupted in the insulin protein that cannot spontaneously re-form efficiently?

What is the shape of a typical antibody molecule?

What happens when colliding molecules have poorly matching surfaces?

What is a characteristic of enzymes within a functional class?

What happens to the rate of reaction when the enzyme molecule is saturated with substrate?

What does the Km of an enzyme represent?

How do enzymes accelerate chemical reactions?

What is the role of lysozyme in the catalysis of polysaccharide chains?

What is the function of coenzymes in enzyme-catalyzed reactions?

What is the result of the conditions created in the microenvironment of the lysozyme active site?

What type of molecule is attached to rhodopsin in the eye?

What is the central atom of the heme ring?

What is the purpose of a multienzyme complex in cells?

What is the effect of conformational coupling between two separate binding sites?

What do GAP and GEF regulate in GTP-binding proteins?

What is the function of covalent modification patterns in cells?

What is a characteristic of motor proteins?

What is a common feature of heme groups in hemoglobin?