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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. Dissolver (water: universal solvent)






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






3. Energy in motion






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






5. What is chief ingredient in living things?






6. 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






7. Process of making two DNA molecules from one strand






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






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






10. The ability to do work






11. Elements essential to life






12. The increase in randomness and loss of usable energy






13. Absorbs heat; endo - within






14. Smallest unit of an element






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. Proteins only one that are...






18. Gives off heat; exo - outside






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






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






21. 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






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






23. 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)






24. Dissolved






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






26. 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 ...






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






28. Many sugars; complex carbs






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. The living content in a cell






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






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






33. 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






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






35. Matter is composed of ______






36. The putting together of living things






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






38. Particles are mixed but not dissolved






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






40. Stored energy







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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