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CLEP Biology: Organic Chemistry

Subjects : clep, science, biology
Instructions:
  • Answer 30 questions in 15 minutes. 1 minute extra for reading the instructions.
  • 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. A positively charged subatomic particle located in the nucleus.






2. A substance composed of two or more elements combined in fixed proportions.






3. The act or process of causing something to happen -






4. A chemical bond formed by the attraction between positive and negative ions.






5. Occurs when there is?






6. The attractive force between similar molecules in the same phase.






7. Gradual process by which something changes into a different and usually more complex form.






8. A compound containing a nitrogenous base covalently bonded to a pentose sugar and a phosphate group. Classified by the pentose sugar they contain - Ribose or Deoxyribose.






9. The energy needed to increase the surface area of a liquid by a given amount.






10. An attractive forve between tow or more atoms or ions that holds them together.






11. Group of Macromolecules that Includes Triglycerides and Phospholipids.






12. The main oxygen transport protein in muscle. Made of a single chain.






13. Tentative - untested explanation of a scientific issue.






14. Atoms of the same element with different number of neutrons in the nuclei.






15. The six elements that make up 99% of the matter in living systems.






16. A compound that contains carbon.






17. Organ systems are made of organs which are made of _____________ which are made of cells.






18. Where two molecules are joined by the elimination of a smaller molecule.






19. An uncharged subatomic particle located in the nucleus.






20. Macromolecules made from polypeptides. Two type are globular and fibrose.






21. All organisms in an area together with the physical environment which they inhabit.






22. A negatively charged subatomic particle located outside the nucleus.






23. An expression indicating the number of each type of atom in one molecule of a substance.






24. A bond whose electrons are shared between atoms.






25. The tendency of an atom in a bond to attract shared bonding electrons.






26. A liquid which dissolves another substance without any change in its chemical composition.






27. Occurs when one atom in a bond is more electronegative than the other.






28. A collection of organisms whose members interact with each other within an ecosystem.






29. A statistical comparison of two variables. Does not necessarily mean that one causes the other.






30. An atom's center of mass and center of positive charge.