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






2. Is a phylum that contains sponges.






3. 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






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






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






6. Ended with the extinction of the dinosaurs.






7. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.






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






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






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






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






12. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.






13. Is the process that releases energy for use by the cell.






14. 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






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






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






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






18. Synthesis






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






20. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.






21. 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.






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






23. 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.






24. Is a phylum that contains jellyfish - hydra - etc.






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






26. Most chemical pollutants accidentally ingested by humans are __________ - mixed with broken down pigments in the bile - then bile is secreted into the small intestine - proceeds to the large intestine - and is expelled in the feces.






27. Controls balance and muscle coordination






28. 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.






29. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.






30. Super-class of vertebrae including organisms with no jaws.






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






32. 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.






33. 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.






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






35. Is a kingdom that includes algae and protozoa.






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






37. The large brain and upright posture of Homo Sapiens...






38. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.






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






40. The process of forming eggs and sperm cells in the reproductive organs.






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






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






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






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






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






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






47. The total amount of genetic information available for a given species.






48. Enzymes are usually __________ to certain reactions.






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






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







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