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






2. Controls hunger and thirst






3. Contains many genes and is a structure comprised of linear DNA and associated proteins.






4. Covalent bonds






5. Is a phylum that contains sponges.






6. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.






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






8. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.






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






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






11. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a






12. The sharp boundary of an ecosystem.






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






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






15. Is found on the stem between nodes.






16. Respiratory organs within insects






17. 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.






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






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






20. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.






21. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.






22. Decomposition of living matter for consumption.






23. The destruction of gametes - (sex cells such as sperm and eggs).






24. All store energy within their chemical bonds.






25. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.






26. An enzyme is unaffected by the reactions it catalyzes






27. A type of innate behavior (instinct.) The FAP is a preprogrammed response to a particular stimulus (known as a releaser stimulus). FAP's include courtship behaviors and feeding of young. These are not learned behaviors - they are automatically perfor






28. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.






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






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






31. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.






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






33. The phyla composed of segmented worms.






34. 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.






35. Disease causing






36. Inorganic phosphate






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






38. The class composed of birds.






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






40. 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.






41. 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.






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






43. The phyla of sponges.






44. An orienting response to light.






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






46. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.






47. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.






48. Controls olfactory lobes (smell)






49. Controls balance and muscle coordination






50. Is weaker than ionic - covalent - disulfide - or double bonds.







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