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






2. Are the organelles where cellular respiration occurs.






3. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.






4. Synthesis






5. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.






6. Controls hunger and thirst






7. Controls balance and muscle coordination






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






9. Most chemical pollutants accidentally ingested by humans are __________ - mixed with broken down pigments in the bile - then bile is secreted into the small intestine - proceeds to the large intestine - and is expelled in the feces.






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






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






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






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






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






15. Engages in both passive and active transport.






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






17. An orienting response to light.






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






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






20. Covers and protects the leaf.






21. Contains optic lobes - controls sight.






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






23. 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.






24. Transfers water and does not require sieve plates to allow nutrients through.






25. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.






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






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






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






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

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






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






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






33. Cleave strands of DNA segments at certain sites.






34. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.






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






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






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






38. Niche






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






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






41. In DNA Guanine pairs with...






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






43. 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.






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






45. The vocal cords are found in the larynx.






46. 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.






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






48. The transfer of electrons.






49. Protein synthesis






50. Is a phylum that contains sponges.