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CLEP Biology: Basic Chemistry

Subjects : clep, science, biology
Instructions:
  • Answer 40 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Double sugars; maltose - sucrose - lactose; formed when monosaccharides undergo dehydration synthesis - when a suger looses hydrozyl group (OH) and another gives hydrogen - resulting in a water molecule and a ...






2. The putting together of living things






3. Most abundant form of lipids; building blocks for other lipids; have hydrophilic and hydrophobic ends; in water - will align themselves; good source of energy; found in dairy and animal tissues






4. Homogenous(alike) mixture of one or more substances in another substance






5. The living content in a cell






6. When a cell needs a monosaccharide - enzymes cause disaccharides to undergo hydrolysis - which means the breaking down of a disaccharide by adding a water molecule






7. Mixture of fine particles that do not settle out quickly (ex. protoplasm)






8. Stored energy






9. Cannot change between gel and sol (ex. egg whites)






10. Made of nucleotides; sugar - phosphate - base; adenine - thyOOmine; guani`ne - cytosine






11. Organic compounds that contain carbon - hydrogen and oxygen; provide structure and store energy






12. Affect the rate of the reaction but are not changed in the reaction






13. Dissolved






14. Composed of long chains of glucose; is a polysaccharide; found in plant cell walls; nondigestible by most animals; part of our diet called bulk or rubbage(fiber)






15. Is a polysaccharide; stored by plants; a major energy source for humans; humans can't make it






16. Another nucleic acid; single strand; sometime replaces thymine






17. Whenever energy is used - some of the energy is wasted






18. What is chief ingredient in living things?






19. Gives off heat; exo - outside






20. The diffusion of water(!!) through a semipermiable membrane; equilibrium is never reached.






21. Can change between gel and sol phases (ex. protoplasm)






22. Dissolver (water: universal solvent)






23. Made of amino acids; polypeptide chain of amino acids; make up the majority of an organism's cells; used as enzymes or as building blocks






24. Matter is composed of ______






25. Proteins only one that are...






26. Smallest unit of an element






27. Polysaccharide; animal starch (animals and humans eat starches abd break them down to monosaccharides; the liver converts them to glycogen for storage)






28. Energy in motion






29. Particles are mixed but not dissolved






30. Absorbs heat; endo - within






31. Many sugars; complex carbs






32. Elements essential to life






33. Found in nucleus of cell; contain info necessary for the manufacture of an organism's proteins; nucleic acid form genes; watson and crick discovered






34. Polysaccharide; strong and flexible; makes up shells of crabs - lobsters - shrimp - insects; found in cell walls of fungi






35. The ability to do work






36. In any process - energy is neither created nor destroyed






37. Process of making two DNA molecules from one strand






38. The increase in randomness and loss of usable energy






39. Group of organic substances slightly soluble in water; very soluble in other organic liquids; mostly structural but also store energy; humans and animals store their excess energy as lipids






40. Single sugars; glucose(C6H12O6) is a monosaccharide that is manufactured by plants in photosynthesis







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Can you answer 50 questions in 15 minutes?


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