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






2. Dissolver (water: universal solvent)






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






4. Proteins only one that are...






5. 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






6. The living content in a cell






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






8. Many sugars; complex carbs






9. Elements essential to life






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






11. 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)






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






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






14. What is chief ingredient in living things?






15. Smallest unit of an element






16. The putting together of living things






17. The ability to do work






18. Particles are mixed but not dissolved






19. Dissolved






20. 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






21. 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 ...






22. Absorbs heat; endo - within






23. Process of making two DNA molecules from one strand






24. Stored energy






25. 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






26. Matter is composed of ______






27. The increase in randomness and loss of usable energy






28. 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






29. Energy in motion






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






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






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






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






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






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






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






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






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






39. Gives off heat; exo - outside






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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