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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. The pituitary gland.






2. Ended with the extinction of the dinosaurs.






3. Is a behavior that is learned during a critical point (often very early) in an individual's life. Imprinting enables the young the recognize members of their own species.






4. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.






5. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.






6. The preservation of the integrity of genetic information from one generation to another.






7. Disease causing






8. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.






9. Is a substance that changes the speed of a reaction without being affected itself.






10. What phylum are snakes in?






11. Are produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration - to equalize water concentration.






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






13. Respiratory organs within insects






14. Algae and Protozoa belong to the kingdom...






15. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.






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






17. Is the outermost layer of cells of the stem.






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






19. Controls balance and muscle coordination






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






21. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.






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






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

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24. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil






25. Channels is cell membranes that carry water between cells.






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






27. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.






28. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.






29. Chlorophyll pigments absorb photons of light - leaving the chlorophyll in a higher energy (excited) state - these then supply energy to reactions that produce ATP from ADP and Pi.






30. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.






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






32. Are the organelles where cellular respiration occurs.






33. High temperatures






34. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.






35. Covers and protects the leaf.






36. 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.






37. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.






38. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t






39. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh






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






41. 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).






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






43. Is the organelle where cellular reproductive processes occur.






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






45. Is the outermost of the three main layers of an embryo.






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






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






48. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.






49. Is found on the stem between nodes.






50. Layer that will become the skin - some endocrine glands - and the nervous system.