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






2. 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






3. Controls olfactory lobes (smell)






4. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.






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






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






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






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






9. All store energy within their chemical bonds.






10. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.






11. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.






12. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.






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






14. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh






15. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.






16. 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.






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






18. 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






19. 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.






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






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






22. The phylum of insects (bees).






23. The phyla of round worms.






24. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil






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






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






27. Is the waxy protective outer coating of leaves.






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






29. Are formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size






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






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






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






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






34. 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.






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






36. The pituitary gland.






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






38. Are cells involved in immunity and are produced in bone marrow as stem cells.






39. In DNA Thymine pairs with...






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






41. Decomposition of living matter for consumption.






42. Carbon - Hydrogen - Oxygen - and Nitrogen






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






44. Engages in both passive and active transport.






45. Anabolism






46. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.






47. Must be present for photosynthesis to occur - it is not used up in the process.






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






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






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







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