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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 optic lobes - controls sight.






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






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






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






5. What phylum are snakes in?






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






7. Controls hunger and thirst






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






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






10. 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.






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






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






13. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.






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






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






16. The sharp boundary of an ecosystem.






17. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.






18. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.






19. Is a phylum that contains sponges.






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






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






22. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).






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






24. 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.






25. Breaking down






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






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






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






29. Respiratory organs within insects






30. 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.






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






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






33. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re






34. Is found on the stem between nodes.






35. 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.






36. High temperatures






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






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






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






40. Are the organelles where cellular respiration occurs.






41. Is a packet of digestive enzymes that destroy cellular wastes.






42. Covalent bonds






43. In DNA Guanine pairs with...






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






45. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.






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






47. Inorganic phosphate






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






49. Is a kingdom that includes algae and protozoa.






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







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