CH-2 Biological Molecules Leave a Comment / By abdulslambsn@gmail.com / October 6, 2025 Welcome To Your Quiz "CH-2 Biological Molecules" Click on "Start Quiz" To Continue... 1. Which one is a protein: Cholesterol ATP There is no way of knowing without seeing the chemical reaction. Cellulase None 2. A triglyceride is a: Protein Nucleic acid Simple sugar Lipid None 3. Which is an organic molecule: Nitrogen dioxide Glucose Water Sulfuric acid None 4. Which class of molecule is the major component of cell membrane: Cellulose Phospholipids Wax Triglycerides None 5. When a protein undergoes a hydrolysis reaction the end-products are: Amino acid Nucleotides Fatty acid Monosaccharides None 6. The biological function of protein is determined by its: Primary structure Secondary structure Tertiary structure Quaternary structure None 7. The function of ATP is to: Store energy Act as a catalyst Determine the function of a cell Act as template for production of proteins None 8. All organic compounds contain the elements: Iron and oxygen Carbon and hydrogen Carbon and oxygen Carbon and nitrogen None 9. All of the following are organic compounds except: Water Enzymes ATP Glucose None 10. Nitrogen bases such as choline, ethanolamine and serine are important of: Sphingolipids Phospholipids Postphatidycoline Phosphodiester None 11. Which molecule is used for short term energy storage: Chitin Fat Cellulose Glycogen None 12. A fatty acid is unsaturated if it: Contains double bonds Contains an acidic group Bonds to glycogen Contain hydrogen None 13. ATP: Has a helical structure Is an amino acid Provide enzyme for metabolism Is high-energy molecule None 14. Steroids are classified as: Lipids Protein Carbohydrate Nucleic acid None 15. The melting point of palmetic acid is: 80⁰ C 63.1⁰ C 72⁰ C 90⁰ C None 16. The suffix that denotes a sugar is: ide ase ose amide None 17. Metabolic activities included: Photosynthesis Respiration Digestion All of Above None 18. Basic element of organic compound is: Water Carbon Aldo sugar Solid None 19. Conjugated histone proteins are: Transport proteins Only structured proteins Only regulatory proteins Structural & (Functional) Regulator protein None 20. The combining capacity of an atom or ion is called: pH Valency Elemental balance Bonding capacity None 21. Starches have unbranched chains and or insoluble in hot or cold water are: Acylglycerol Amylase Amylopectin Herbivores None 22. Cellulose is digested because of microorganisms in their track by: Omnivores Carnivores Herbivores Macrophages None 23. The nature of lipids is: Inorganic Acidic Heterogeneous Proteinaceous None 24. Terpenoids are made up of simple reporting units called: Isoprenoid units Peptide units Glycosidic unit Amino acid None 25. In aqueous medium fibrous proteins are: Ellipsoidal Square Globular Triangular None 26. The compound formed by combination of a base and a pentose sugar is called: Nucleic acid ATP Nucleotide Nucleoside None 27. The amount of DNA is fixed for a particular species as: Centromere Chromatids Chromosomes Histones None 28. Heamophilus influenza is: Virus Prion Fungi Bacteria None 29. Which one pick amino acid and transfer them to ribosome where they linked to form protein: rRNA tRNA mRNA RNA None 30. A nucleotide of DNA: Serine ATP dGTP CTP None 31. Carbon is: Bivalent Tetravalent Trivalent All of above None 32. Codon: Structural component of ribosome Histone Three adjacent nucleotide on mRNA Purine of DNA None 33. Fibrin: Fibrous protein Globular protein ATP Carbohydrate None 34. Atoms form bonds by: Gaining of electrons Loosing of electrons Sharing of electrons All A, B & C None 35. Electrolytes that release hydrogen ions in water are called: Acids Bases Amphoteric All of above None 36. Nucleotides have a nitrogenous base attached to a sugar at the: 1' Carbon 2' Carbon 3' Carbon 4' Carbon None 1 out of 8 Thanks For Taking This Quiz - Please See Your Answers/Results Below After Entering Your Name & Email... Name Email Time's up
