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






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






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






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






5. All store energy within their chemical bonds.






6. Most fossils of Hominids are from continents other than...






7. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.






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






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






10. Chlorophyll pigments absorb photons of light - leaving the chlorophyll in a higher energy (excited) state - these then supply energy to reactions that produce ATP from ADP and Pi.






11. 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






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






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






14. Breaking down






15. 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.






16. Plants and animals obtain usable nitrogen






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






18. The number of organisms in a given community - can be above or below the carrying capacity.






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






20. Is found on the stem between nodes.






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






22. Process of breaking down complex materials (foods) to form simpler substances and release energy.






23. Is a special protein that acts as a catalyst for organic reactions.






24. Develops from the morula as a thin layer of cells surrounding an internal cavity.






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






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






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






28. Is a kingdom that includes algae and protozoa.






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






30. Is the sugar that lactase acts upon.






31. Algae and Protozoa belong to the kingdom...






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






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






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






35. 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






36. Some enzymes contain a __________ component that is essential to their functions.






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






38. Controls balance and muscle coordination






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






40. Protein synthesis






41. 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).






42. Respiratory organs within insects






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






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






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






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

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47. 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.






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






49. 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.






50. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.







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