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CLEP Biology: Basic Chemistry

Subjects : clep, science, biology
Instructions:
  • Answer 40 questions in 30 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. 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)






2. Dissolved






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






4. 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






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






6. The putting together of living things






7. The ability to do work






8. The living content in a cell






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






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






11. Smallest unit of an element






12. Stored energy






13. Energy in motion






14. Absorbs heat; endo - within






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






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






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






18. Proteins only one that are...






19. The increase in randomness and loss of usable energy






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






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






22. Matter is composed of ______






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






24. Many sugars; complex carbs






25. Dissolver (water: universal solvent)






26. Gives off heat; exo - outside






27. 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






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






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






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






31. Elements essential to life






32. 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






33. Process of making two DNA molecules from one strand






34. What is chief ingredient in living things?






35. 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






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






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






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






39. Particles are mixed but not dissolved






40. 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 ...






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