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






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






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






4. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.






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






6. 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.






7. 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.






8. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).






9. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.






10. Anabolism






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






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






13. Engages in both passive and active transport.






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






15. Some energy is lost as heat and becomes unusable.






16. 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






17. High temperatures






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






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






20. 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.






21. 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.






22. The phyla composed of segmented worms.






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






24. Covalent bonds






25. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.






26. Plants and animals obtain usable nitrogen






27. Layer that will become the gut lining as well as some accessory structures.






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






29. 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.






30. Super-class of vertebrae including organisms with jaws.






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






32. The phyla of sponges.






33. Is found on the stem between nodes.






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






35. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.






36. An enzyme is unaffected by the reactions it catalyzes






37. Transfers water and does not require sieve plates to allow nutrients through.






38. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.






39. 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.






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






41. 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






42. 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).






43. Protein synthesis






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






45. Mitochondria - they constitute the center of cellular respiration.

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






47. Contains optic lobes - controls sight.






48. Cleave strands of DNA segments at certain sites.






49. Carbon - Hydrogen - Oxygen - and Nitrogen






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