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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. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.






2. Energy transformations that occur as chemicals are broken down or synthesized within the cell.






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






4. The phyla composed of segmented worms.






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






6. Contains many genes and is a structure comprised of linear DNA and associated proteins.






7. Super-class of vertebrae including organisms with no jaws.






8. 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






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






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






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






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






13. 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.






14. Is the process that releases energy for use by the cell.






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






16. Anabolism






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






18. Contains optic lobes - controls sight.






19. Controls balance and muscle coordination






20. Is the sugar that lactase acts upon.






21. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).






22. Cleave strands of DNA segments at certain sites.






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






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






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






26. 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.






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






28. Refers to the birthrate of a population.






29. Engages in both passive and active transport.






30. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.






31. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.






32. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.






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






34. 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.






35. Is an ion that binds to an enzyme making it more able to catalyze a reaction.






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






37. 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.






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






39. Is the outermost layer of cells of the stem.






40. 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.






41. Is the waxy protective outer coating of leaves.






42. 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.






43. High temperatures






44. Disease causing






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






46. Includes all living and nonliving components of the Earth to support living things.






47. The role played by an organism in its food chain.






48. 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.






49. 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






50. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).