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






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






3. The process of forming eggs and sperm cells in the reproductive organs.






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






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






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






7. Refers to the birthrate of a population.






8. Is a substance that changes the speed of a reaction without being affected itself.






9. Ended with the extinction of the dinosaurs.






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






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






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






13. 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.






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






15. 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).






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






17. Contain one celled eukaryotes such as algae and protozoa.






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






19. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.






20. The class composed of birds.






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






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






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






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






25. Disease causing






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






27. Synthesis






28. 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.






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






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






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






32. In both living and non-living environments.






33. The phyla composed of segmented worms.






34. 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.






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






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






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






38. The size of a cell is limited by the ratio of its surface area to volume.






39. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.






40. Subsets below the kingdom level






41. Decomposition of living matter for consumption.






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






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






44. Inorganic phosphate






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

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






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






48. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.






49. In DNA Thymine pairs with...






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