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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. What is chief ingredient in living things?






3. Dissolved






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






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






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






7. Many sugars; complex carbs






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






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






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






11. 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






12. 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 ...






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






14. 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)






15. Elements essential to life






16. 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






17. The putting together of living things






18. Absorbs heat; endo - within






19. Process of making two DNA molecules from one strand






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






21. Gives off heat; exo - outside






22. The increase in randomness and loss of usable energy






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






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






25. The living content in a cell






26. 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






27. Proteins only one that are...






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






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






30. Matter is composed of ______






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






32. Energy in motion






33. Smallest unit of an element






34. Particles are mixed but not dissolved






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






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






37. The ability to do work






38. Stored energy






39. 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






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