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






2. Particles are mixed but not dissolved






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






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






5. Smallest unit of an element






6. Energy in motion






7. Absorbs heat; endo - within






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






9. 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)






10. What is chief ingredient in living things?






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






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






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






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






15. The putting together of living things






16. Gives off heat; exo - outside






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






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






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






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






21. Many sugars; complex carbs






22. Dissolved






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






24. The ability to do work






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






26. Stored energy






27. The living content in a cell






28. 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 ...






29. 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






30. Process of making two DNA molecules from one strand






31. 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






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






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






34. Matter is composed of ______






35. Proteins only one that are...






36. 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






37. The increase in randomness and loss of usable energy






38. Dissolver (water: universal solvent)






39. Elements essential to life






40. 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







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Can you answer 50 questions in 15 minutes?


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