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






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






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






4. 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.






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






6. 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.






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






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






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






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






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






12. Is the outermost of the three main layers of an embryo.






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






14. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.






15. In order to become an established part of an island ecosystem there must be a populations large enough to ensure _________ - a food source - a suitable habitat - and a source of moisture.






16. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).






17. In both living and non-living environments.






18. Is a phylum that contains jellyfish - hydra - etc.






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

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20. Absorb a photon of light and is found in the grana of the chloroplast.






21. The phyla composed of segmented worms.






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






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






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






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






26. The phyla of round worms.






27. The class composed of birds.






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






29. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting






30. Is disorganized - unravelled - DNA with histones attached.






31. 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.






32. 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






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






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






35. All store energy within their chemical bonds.






36. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.






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






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






39. Is a phylum that contains sponges.






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






41. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.






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






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






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






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






46. Controls olfactory lobes (smell)






47. Is the waxy protective outer coating of leaves.






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






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






50. Are the organelles where cellular respiration occurs.