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CLEP Biology

Subjects : clep, science, biology
Instructions:
  • Answer 50 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. Algae and Protozoa belong to the kingdom...






2. Must be present for photosynthesis to occur - it is not used up in the process.






3. Contains organisms that are multicellular eukaryotes including molds and mushrooms.






4. Veins in the leaf and are also distributed throughout the stem






5. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.






6. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.






7. Is the sugar that lactase acts upon.






8. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.






9. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.






10. The total amount of genetic information available for a given species.






11. Most fossils of Hominids are from continents other than...






12. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.






13. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).






14. Is a special protein that acts as a catalyst for organic reactions.






15. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).






16. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.






17. An enzyme is unaffected by the reactions it catalyzes






18. Controls balance and muscle coordination






19. High temperatures






20. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.






21. Enzymes are usually __________ to certain reactions.






22. In both living and non-living environments.






23. The size of a cell is limited by the ratio of its surface area to volume.






24. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).






25. Protein synthesis






26. Super-class of vertebrae including organisms with jaws.






27. Is the number of organisms that can be supported within a particular ecosystem.






28. Layer that will become the gut lining as well as some accessory structures.






29. The number of organisms in a given community - can be above or below the carrying capacity.






30. The individual we recognize as an adult fern.






31. In order to become an established part of an island ecosystem there must be a populations large enough to ensure _________ - a food source - a suitable habitat - and a source of moisture.






32. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).






33. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.






34. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).






35. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.






36. Develops from the morula as a thin layer of cells surrounding an internal cavity.






37. Is an ion that binds to an enzyme making it more able to catalyze a reaction.






38. The role played by an organism in its food chain.






39. Process of breaking down complex materials (foods) to form simpler substances and release energy.






40. This is a carboxyl group and is the signature group found within organic acids.






41. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.






42. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.






43. Are formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size






44. Is disorganized - unravelled - DNA with histones attached.






45. Is the process that releases energy for use by the cell.






46. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.






47. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.






48. Is a social behavior of an organism that is beneficial to the group at the individual's expense.






49. The cells of a developing embryo (at the gastrula stage) differentiate into layers - that will later develop into different tissues and organs - including the mesoderm - ectoderm - and endoderm.






50. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).







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