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






3. The increase in randomness and loss of usable energy






4. 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






5. The living content in a cell






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






7. What is chief ingredient in living things?






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






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






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






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






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






13. 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 ...






14. Matter is composed of ______






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






16. The ability to do work






17. Elements essential to life






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






19. 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






20. Stored energy






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






22. Process of making two DNA molecules from one strand






23. Smallest unit of an element






24. Absorbs heat; endo - within






25. 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)






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






27. Proteins only one that are...






28. The putting together of living things






29. Gives off heat; exo - outside






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






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






32. Energy in motion






33. Dissolved






34. 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






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






36. Many sugars; complex carbs






37. 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






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






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






40. Particles are mixed but not dissolved







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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