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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. Protein synthesis






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






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






4. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t






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






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






7. 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.






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






9. 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.






10. Is a kingdom that includes algae and protozoa.






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






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






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






14. Includes all living and nonliving components of the Earth to support living things.






15. Absorb a photon of light and is found in the grana of the chloroplast.






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






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






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






19. Is the sugar that lactase acts upon.






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






21. Is the waxy protective outer coating of leaves.






22. 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).






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






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






25. A suffix meaning 'to break apart.' O || ||






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






27. Ended with the extinction of the dinosaurs.






28. Covalent bonds






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






30. Covers and protects the leaf.






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. 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.






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






34. Anabolism






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






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






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

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38. 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.






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






40. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side






41. Is found on the stem between nodes.






42. 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.






43. Energy transformations that occur as chemicals are broken down or synthesized within the cell.






44. An orienting response to light.






45. The phyla of sponges.






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






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






48. All store energy within their chemical bonds.






49. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.






50. Inorganic phosphate