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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. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.






2. In DNA Thymine pairs with...






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






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






5. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.






6. Is a packet of digestive enzymes that destroy cellular wastes.






7. Is a molecule that stores information for protein synthesis and genetic coding.






8. Is the waxy protective outer coating of leaves.






9. Is found in the root cap and is responsible for quick growth in the roots.






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






11. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.






12. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).






13. Ended with the extinction of the dinosaurs.






14. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.






15. Mitochondria - they constitute the center of cellular respiration.

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16. It secretes saliva which enters the digestive tract and aids the digestive process.






17. When the water concentration inside and outside the cell is equal - It is said to be in an...






18. 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.






19. 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.






20. 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.






21. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.






22. Transfers water and does not require sieve plates to allow nutrients through.






23. Are the organelles where cellular respiration occurs.






24. The phyla of round worms.






25. In DNA Guanine pairs with...






26. Allows for the genetic code to be preserved in future generations of cells.






27. Anabolism






28. Controls olfactory lobes (smell)






29. Has loosely packed cells that allow for gas and moisture exchange.






30. The sharp boundary of an ecosystem.






31. Contain one celled eukaryotes such as algae and protozoa.






32. 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).






33. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.






34. The phyla of sponges.






35. The vocal cords are found in the larynx.






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






37. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.






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






39. What phylum are snakes in?






40. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.






41. The transfer of electrons.






42. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.






43. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.






44. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.






45. Protein synthesis






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






47. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.






48. Nonvascular plants such as mosses which lack tissue for conducting food or water.






49. Synthesis






50. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.