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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. The phyla of round worms.






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






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






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






5. 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.






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






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






8. 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






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






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






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






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






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

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






15. 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






16. Is the waxy protective outer coating of leaves.






17. In DNA Thymine pairs with...






18. 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






19. 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.






20. The phyla composed of segmented worms.






21. Plants and animals obtain usable nitrogen






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






23. Controls hunger and thirst






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






25. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.






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






27. Cleave strands of DNA segments at certain sites.






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






29. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.






30. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.






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






32. 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.






33. Is a kingdom that includes algae and protozoa.






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






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






36. Protein synthesis






37. 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.






38. An enzyme is unaffected by the reactions it catalyzes






39. The class composed of birds.






40. Breaking down






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






42. 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






43. Are the organelles where cellular respiration occurs.






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






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






46. Covers and protects the leaf.






47. Is the sugar that lactase acts upon.






48. 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.






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






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