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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. 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 ...






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






4. Proteins only one that are...






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






6. Process of making two DNA molecules from one strand






7. The living content in a cell






8. Dissolved






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






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






11. The putting together of living things






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






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






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






15. 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






16. Stored energy






17. Particles are mixed but not dissolved






18. Energy in motion






19. Gives off heat; exo - outside






20. Matter is composed of ______






21. Elements essential to life






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






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






24. Absorbs heat; endo - within






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






26. The ability to do work






27. Smallest unit of an element






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






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






30. 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






31. The increase in randomness and loss of usable energy






32. 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)






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






34. 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






35. 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






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






37. Many sugars; complex carbs






38. What is chief ingredient in living things?






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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