Unit 2 - Biochemistry Review
Quiz by Richelle Gibson
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19 questions
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- Q1Which molecule serves as the primary energy currency of the cell?GlucoseLipidsDNAAdenosine triphosphate (ATP)30s
- Q2Which biomolecule is primarily responsible for the storage and transmission of genetic information in cells?LipidCarbohydrateProteinNucleic Acid30s
- Q3What is the function of enzymes in biochemical reactions?Enzymes inhibit chemical reactions by increasing the activation energy needed.Enzymes speed up chemical reactions by lowering the activation energy required.Enzymes store energy for later use in cells.Enzymes have no effect on chemical reactions.30s
- Q4Which of the following macromolecules is the main component of cell membranes?CholesterolPhospholipidsGlycogenCellulose30s
- Q5What is the term used to describe the process by which a protein loses its structure and functionality due to extreme changes in temperature or pH?TranscriptionReplicationTranslationDenaturation30s
- Q6What is the primary function of lipids in cells?Facilitate protein synthesisEnergy storage and insulationMaintain genetic informationRegulate cell communication30s
- Q7Which of the following macromolecules is composed of amino acids and plays a crucial role in cell structure and function?LipidNucleic acidCarbohydrateProtein30s
- Q8What is the primary function of nucleic acids in cells?Provide quick energy sourceRegulate body temperatureStore and transmit genetic informationFacilitate muscle movement30s
- Q9What is the chemical formula for glucose, a primary source of energy for living organisms?NaClH2O2CO2C6H12O630s
- Q10What is the chemical formula for water?CO2NaClH2ONH330s
- Q11Which of the following is a property of water?Water does not change when it freezesWater expands when it freezesWater contracts when it freezesWater becomes more dense when it freezes30s
- Q12What is the pH of pure water?9751230s
- Q13What is the unique property of water that allows it to form droplets and create surface tension?Ionic bondingHydrogen bondingCovalent bondingVan der Waals forces30s
- Q14What is the main function of water in the human body?Providing energyTransporting oxygenRegulating body temperatureBuilding muscles30s
- Q15What is the primary reason why water is considered a universal solvent?Its high boiling pointIts lack of tasteIts ability to dissolve a wide range of substancesIts colorless appearance30s