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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. Elements essential to life






2. Particles are mixed but not dissolved






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






4. Smallest unit of an element






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






6. The living content in a cell






7. What is chief ingredient in living things?






8. Process of making two DNA molecules from one strand






9. The putting together of living things






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






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. 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






13. Stored energy






14. Many sugars; complex carbs






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






16. Absorbs heat; endo - within






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






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






19. 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






20. Dissolved






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






22. 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






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






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






25. Energy in motion






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






27. 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






28. Matter is composed of ______






29. The increase in randomness and loss of usable energy






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






31. Gives off heat; exo - outside






32. 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 ...






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






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






35. Proteins only one that are...






36. Dissolver (water: universal solvent)






37. The ability to do work






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






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






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