HomeGRE Biochemistry GRE Biochemistry Practice Tests 1. Lactose is composed of glucose and galactose fructose and galactose glucose and glucose glucose and fructose glucose and sucrose 2. Lipids are insoluble in water because lipid molecules are neutral zwitter ions hydrophobic hydophilic none of these 3. In which of the following groups are all polysaccharides? sucrose, glucose and fructose maltose, lactose and fructose glycogen, sucrose and maltose glycogen, cellulose and starch sucrose and maltose 4. Modern detergents contain enzyme preparations of alkaliphiles acidophiles thermoacidophiles thermophiles hydophilic 5. The numbers of molecule of fatty acid present in one molecule of fat is 1 2 3 4 hydophilic 6. The elements that make up 99% of all elements found in living system C, H, O C, H, O, N C, H, O, N, P C, H, O, P C, H, O, P 7. Excess protein, carbohydrate and fats are stored in body as fat glycogen starch ATP C, H, O, P 8. Which of the following substance is required for the normal functioning of the enzymes? apoenzyme holoenzyme cofactor abozyme C, H, O, P 9. Which of the following is a storage protein? ferroprotein mucoprotein glutenins chromoprotein C, H, O, P 10. Protein which play a significant role in aging is elastin actin collagen myosin C, H, O, P Score = Correct answers: Tags: GRE Biochemistry GRE Biochemistry Practice Tests GRE Biology Practice Tests Facebook Twitter