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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. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.






2. 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.






3. Some enzymes contain a __________ component that is essential to their functions.






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






5. 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.






6. The class composed of birds.






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






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






9. 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.






10. Anabolism






11. Stood upright before there was an increase in brain size.






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






13. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.






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






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






16. 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.






17. Disease causing






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






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






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






21. 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).






22. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.






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






24. The role played by an organism in its food chain.






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






26. Contains organisms that are multicellular eukaryotes including molds and mushrooms.






27. 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.






28. Is a coenzyme required in the synthesis of collagen.






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






30. A hydrogen bond involves the ________________ and can be easily broken.






31. 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






32. Protein synthesis






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






34. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.






35. Enzymes are usually __________ to certain reactions.






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






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






38. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.






39. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.






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






41. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.






42. 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.






43. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).






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






45. The phyla composed of segmented worms.






46. 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.






47. Covalent bonds






48. 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.






49. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.






50. The individual we recognize as an adult fern.







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