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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. Respiratory organs within insects






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






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






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






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






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






7. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.






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






9. 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.






10. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.






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






12. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.






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






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






15. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).






16. The phyla of sponges.






17. The phyla of round worms.






18. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting






19. Anabolism






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






21. 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






22. The phyla composed of segmented worms.






23. Plants and animals obtain usable nitrogen






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






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






26. Covalent bonds






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






28. 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






29. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).






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






31. 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.






32. 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.






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






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






35. 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.






36. Controls hunger and thirst






37. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.






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






39. 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.






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






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






42. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.






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






44. Ended with the extinction of the dinosaurs.






45. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.






46. The sharp boundary of an ecosystem.






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






48. 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.






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






50. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.







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