0% 18 BCH 201 1 / 40 1. Osazones are formed when reducing sugars react with: A. Ammonia B. Ethanol C. Phenylhydrazine D. Methanol 2 / 40 2. RNA contains the sugar __________ instead of deoxyribose. A. Ribose B. Glucose C. Galactose D. Fructose 3 / 40 3. Fructose is classified as a ketose because its carbonyl group is on: A. C5 B. C4 C. C2 D. C1 4 / 40 4. Enzymes function as biological __________ A. Vitamins B. Catalysts C. Buffers D. Hormones 5 / 40 5. Lipids are generally insoluble in __________ but soluble in organic solvents. A. Benzene B. Alcohol C. Water D. Ether 6 / 40 6. Vitamin K is essential for: A. Antioxidant activity B. Blood clotting C. Vision D. Calcium absorption 7 / 40 7. The major structural component of plant cell walls is: A. Glycogen B. Chitin C. Starch D. Cellulose 8 / 40 8. Fructose is an example of a __________ sugar. A. Polysaccharide B. Pentose C. Aldose D. Ketose 9 / 40 9. Metabolism consists of catabolism and __________. A. Digestion B. Anabolism C. Circulation D. Absorption 10 / 40 10. The storage form of carbohydrate in animals is __________. A. Glycogen B. Cellulose C. Starch D. Chitin 11 / 40 11. Proteins are polymers of __________. A. Nucleotides B. Monosaccharides C. Fatty acids D. Amino acids 12 / 40 12. The major structural components of biological membranes are: A. Waxes B. Phospholipids C. Steroids D. Triglycerides 13 / 40 13. Glucose is classified as an __________ sugar. A. Ketose B. Polysaccharide C. Disaccharide D. Aldose 14 / 40 14. The empirical formula commonly associated with carbohydrates is: A. (CH₂O)n B. (CH₃O)n C. (CHO)n₂ D. C₆H₆ 15 / 40 15. The bond linking amino acids in a protein is called a __________ bond. A. Peptide B. Hydrogen C. Glycosidic D. Ester 16 / 40 16. DNA stands for __________ acid. A. Amino B. Deoxyribonucleic C. Ribonucleic D. Fatty 17 / 40 17. The storage form of glucose in animals is: A. Chitan B. Cellulose C. Glycogen D. Chitin 18 / 40 18. Fatty acids that contain one or more double bonds are called __________ fatty acids. A. Unsaturated B. Neutral C. Saturated D. Essential 19 / 40 19. The bond that links two monosaccharides together is called: A. Ester bond B. Glycosidic bond C. Peptide bond D. Hydrogen bond 20 / 40 20. Glucose, galactose, and fructose are all: A. Hexoses B. Disaccharides C. Pentoses D. Hexoses 21 / 40 21. Simple lipids such as triglycerides are primarily used for: A. Genetic storage B. Enzyme synthesis C. Oxygen transport D. Long-term energy storage 22 / 40 22. Cellulose contains which type of glycosidic linkage? A. β 1–2 B. α 1– 2 C. β 1–4 D. α 1–4 23 / 40 23. The primary structure of a protein refers to its __________ sequence. A. Fatty acid B. Amino acid C. Sugar D. Nucleotide 24 / 40 24. Maltose is composed of: A. Glucose + Fructose B. Two glucose molecules C. Two fructose molecules D. Galactose + Glucose 25 / 40 25. Essential fatty acids must be obtained from the diet because: A. They contain nitrogen B. The body cannot synthesize them C. They are toxic D. They are not useful 26 / 40 26. Glucose, galactose, and fructose are all: A. Hexoses B. Pentoses C. Disaccharides D. Tetroses 27 / 40 27. Simple lipids such as triglycerides are primarily used for: A. Oxygen transport B. Enzyme synthesis C. Genetic D. Long-term energy storage 28 / 40 28. Monosaccharides are classified based A. Their sweetness B. Their solubility C. Number of carbon atoms D. Presence of nitrogen 29 / 40 29. HDL is commonly referred to as: A. Good cholesterol B. Bad cholesterol C. Neutral fat D. Storage lipid 30 / 40 30. The specific site on an enzyme where a substrate binds is called the __________ site. A. Regulatory B. Active C. Binding D. Catalytic 31 / 40 31. Vitamins are classified as either fat-soluble or __________-soluble. A. Alcohol B. Oil C. Ether D. Water 32 / 40 32. Lactose is composed of: A. Galactose + Glucose B. Two glucose molecules C. Two galactose molecules D. Glucose + Fructose 33 / 40 33. Reducing sugars contain a free: A. Sulfhydryl group B. Phosphate group C. Amino group D. Carbonyl group 34 / 40 34. Sucrose is composed of: A. Fructose + Fructose B. Galactose + Glucose C. Glucose + Fructose D. Glucose + Glucose 35 / 40 35. In glucose, the carbonyl group is located on carbon: A. C1 B. C3 C. C6 D. C5 36 / 40 36. Biochemistry is best defined as the study of: A. Physical properties of metals B. Plant classification C. Atomic structure D. The chemistry of life 37 / 40 37. In glucose, the carbonyl group is located on carbon: A. C3 B. C2 C. C4 D. C1 38 / 40 38. Monosaccharides are classified based on: A. Their sweetness B. Presence of nitrogen C. Their solubility D. Number of carbon atoms 39 / 40 39. Monosaccharides containing six carbon atoms are called __________. A. Tetroses B. Hexoses C. Trioses D. Pentoses 40 / 40 40. The basic building blocks of nucleic acids are called __________. A. Monosaccharides B. Fatty acids C. Amino acids D. Nucleotides Your score is LinkedIn Facebook Twitter VKontakte 0% Restart quiz
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Where is the test??
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Where the test dey
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BCH 201 will be available tomorrow.
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