Chemical Nature of Proteins Lecture Quiz

What type of proteins are made up of amino acid subunits joined together by peptide bonds?

Which protein type is insoluble in pure water but soluble in dilute salt solutions and coagulated by heat?

Which protein type is soluble in dilute acids and alkalis and gets coagulated by heat?

Which type of protein has a spherical shape and is soluble in water, acids, and bases?

Which type of proteins are coagulated by heat and are exemplified by serum albumin, ovalbumin, and lactalbumin?

Which type of proteins are exemplified by glutenin from wheat and oryzenin from rice?

Which protein is found in bones, skin, muscles, and tendons?

Which type of protein contains a carbohydrate moiety as the prosthetic group?

Which protein type is loosely combined with lipid components and occurs in blood and on cell membranes?

Which type of protein contains a metal ion as its prosthetic group?

Which type of protein is attached to nucleic acids?

Which type of derived protein is the earliest product of protein hydrolysis and insoluble in water?

What is the specific region on an enzyme where the substrate binds and catalysis occurs?

What type of molecule acts as a catalyst to speed up biological reactions?

What is the complete, functional enzyme that is catalytically active and consists of an apoenzyme together with its cofactors?

What is the energy barrier that substrates need to overcome before a reaction will occur?

What do enzymes lower, allowing the substrates to react faster forming the products?

Which type of enzymatic action involves joining two or more substrate molecules together?

What are small organic molecules that act as cofactors called?

Which of the following vitamins is NOT listed as an example for cofactors in the text?

Which family of enzymes is responsible for the breakdown of lipids?

What type of specificity refers to the enzyme acting on a particular steric or optical isomer?