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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 the sugar that lactase acts upon.






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






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






4. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.






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






6. Is found on the stem between nodes.






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






8. Is a coenzyme required in the synthesis of collagen.






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






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






11. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.






12. Is a phylum that contains sponges.






13. An orienting response to light.






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






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






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






17. The phylum of insects (bees).






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






19. What phylum are snakes in?






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






21. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t






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






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






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






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






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






27. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.






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






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






30. Are cells involved in immunity and are produced in bone marrow as stem cells.






31. 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.






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






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






34. The phyla composed of segmented worms.






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






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






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






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






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






40. Is the waxy protective outer coating of leaves.






41. 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.






42. 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.






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






44. 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.






45. Cleave strands of DNA segments at certain sites.






46. 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.






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






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






49. In DNA Thymine pairs with...






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