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Dr. Hewaida Fadel and Dr. Tarek El Sewedy Department of Medical Laboratory Technology Faculty of Allied Medical Sciences Final Revision 1 A. Choose the best answer: • 1. 2. 3. 4. Biochemistry can be defined as the science concerned with Chemical basis of life. Studying chromosomes. Studying effect of drugs on cancer cells. Studying composition of blood cells. • 1. 2. 3. 4. Biochemistry is concerned with the study of chemical reactions in: Human. Viruses. Plant. All of the above. • 1. 2. 3. 4. The monomers of Proteins are called: DNA Fatty acids. Amino Acids Enzymes. • Which of the following is measured in serum and used for disease diagnosis: DNA Enzymes. RNA Cellulose. 1. 2. 3. 4. • 1. 2. 3. 4. The basic monomers of DNA are: Fatty Acids. RNA. Amino Acids. Nucleotide bases • 1. 2. 3. 4. In carbohydrates, For every carbon there is: 2 hydrogen atoms and 1 oxygen atom. 2 oxygen atoms and 1 hydrogen 2 hydrogen atoms and 2 oxygen 1 oxygen atom and 1 hydrogen • Complex carbohydrates are: 1. Carbohydrates with monomers of the same type 2. Carbohydrates with monomers of different type 3. Carbohydrate joined to non-carbohydrate molecules. 4. None of the above. • Sucrose is an example of : 1. Monosaccharide 2. Disaccharide 3. Polysaccharide 4. Oligosaccharide • Glycogen is a polysaccharide formed of monomers of: 1. Galactose 2. Cellulose 3. Glucose 4. Maltose • The most common storage polysaccharide in plants is: 1. Maltose 2. Lactose 3. Fructose 4. Starch • Which of the following is known as animal starch: 1. Glycogen. 2. Galactose 3. Lactose 4. None of the above • Write the four major classes of biomolecules: • Write 3 major functions of carbohydrates: • 1. 2. 3. 4. The monomers of Lipids are called: DNA Fatty acids. Amino Acids Nucleotide bases. • Which of the following is measured in serum and used for disease diagnosis: 1. DNA 2. Enzymes. 3. RNA 4. Cellulose. 1. In carbohydrates, For every carbon there is: 2. 1 hydrogen atoms and 1 oxygen atom. 3. 2 oxygen atoms and 1 hydrogen 4. 2 hydrogen atoms and 2 oxygen 5. 1 oxygen atom and 2 hydrogen 1. Glycolipids are example of : 2. Polysaccharides. 3. Carbohydrates with monomers of different type. 4. Complex carbohydrates. 5. None of the above. • Fructose is an example of : 1. Aldose 2. Ketose 3. Polysaccharide 4. None of the above • Excess glucose is stored in human liver in the form of 1. Amylopectin 2. Amylose 3. Glycogen 4. Starch A. True or False: 1.Lipids are Hydrophylic in nature ( true-False) 1.A triglyceride is a lipid molecule (true-false) 1. All 20 amino acids are biologically essential (True – False) • Write 3 major functions of Amino acids: • Write 3 major functions of Lipids • Mention the reason why glycogen is highly branched than starch Principles of Biochemistry, Donald J. Voet, Judith G. Voet, Charlotte W. pratt; Willey, 3rd ed.