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CLEP Biology: Basic Chemistry

Subjects : clep, science, biology
  • Answer 40 questions in 15 minutes.
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  • 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. The diffusion of water(!!) through a semipermiable membrane; equilibrium is never reached.

2. Stored energy

3. 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

4. Process of making two DNA molecules from one strand

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

6. 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

7. Energy in motion

8. Gives off heat; exo - outside

9. The putting together of living things

10. The increase in randomness and loss of usable energy

11. Many sugars; complex carbs

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

13. Matter is composed of ______

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

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

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

17. Particles are mixed but not dissolved

18. Elements essential to life

19. The living content in a cell

20. Absorbs heat; endo - within

21. 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)

22. 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

23. 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 ...

24. Dissolved

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

26. The ability to do work

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

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

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

30. Proteins only one that are...

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

32. 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

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

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

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

36. Dissolver (water: universal solvent)

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

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

39. Smallest unit of an element

40. What is chief ingredient in living things?