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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 the organelles where cellular respiration occurs.






2. Inorganic phosphate






3. 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.






4. Can be accounted for by the theory of punctuated equilibrium. The fossil record shows periods of stability with regard to appearance and disappearance of species as well as periods of sudden change.






5. The systematic search for individuals with a specific genotype in a delineated population.






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






7. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.






8. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.






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






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






11. Cleave strands of DNA segments at certain sites.






12. 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.






13. High temperatures






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






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






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






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






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






19. Anabolism






20. 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.






21. Is a kingdom that includes algae and protozoa.






22. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of






23. An enzyme is unaffected by the reactions it catalyzes






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






25. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).






26. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).






27. Fossilized burrows from multicellular organisms begin to appear in the geological record approximately 700 million years ago during the Precambrian period. These multicellular animals had only soft parts and could not be fossilized.






28. Carbon - Hydrogen - Oxygen - and Nitrogen






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






30. Are organic cofactors or coenzymes that are required by some enzymatic reactions.






31. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.






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






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






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






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






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






37. 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






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






39. The pituitary gland.






40. 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).






41. Some energy is lost as heat and becomes unusable.






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






43. 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.






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






45. 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.






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






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






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






49. The sharp boundary of an ecosystem.






50. 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.






Can you answer 50 questions in 15 minutes?



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