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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. Another nucleic acid; single strand; sometime replaces thymine






2. Smallest unit of an element






3. 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






4. The putting together of living things






5. 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 ...






6. Gives off heat; exo - outside






7. Energy in motion






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






9. Dissolver (water: universal solvent)






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






11. The increase in randomness and loss of usable energy






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






13. 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






14. What is chief ingredient in living things?






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






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






17. 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






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






19. Proteins only one that are...






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






21. Elements essential to life






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






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






24. The living content in a cell






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






26. Process of making two DNA molecules from one strand






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






28. 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






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






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






31. Dissolved






32. Many sugars; complex carbs






33. 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)






34. Particles are mixed but not dissolved






35. The ability to do work






36. Stored energy






37. Matter is composed of ______






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






39. Absorbs heat; endo - within






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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