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






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






3. The sharp boundary of an ecosystem.






4. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.






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






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






7. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.






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






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






10. 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.






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






12. Breaking down






13. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.






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






15. In both living and non-living environments.






16. 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.






17. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.






18. Is the organelle where cellular reproductive processes occur.






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






20. Protein synthesis






21. 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.






22. (of some plants or fungi) feeding on dead or decaying organic matter






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






24. Niche






25. Controls hunger and thirst






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






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






28. 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






29. 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.






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






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






32. Plants and animals obtain usable nitrogen






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






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






35. 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.






36. The phyla of sponges.






37. Subsets below the kingdom level






38. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.






39. Contains optic lobes - controls sight.






40. The phyla of round worms.






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






42. The destruction of gametes - (sex cells such as sperm and eggs).






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






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






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






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






47. Layer that will become the skin - some endocrine glands - and the nervous system.






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






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






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