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






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






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






4. The vocal cords are found in the larynx.






5. The phyla composed of segmented worms.






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






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






8. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh






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






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






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






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






13. Is the sugar that lactase acts upon.






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






15. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.






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






17. Anabolism






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






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






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






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






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






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






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






25. Subsets below the kingdom level






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






27. Plants and animals obtain usable nitrogen






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






29. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.






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






31. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.






32. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.






33. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of






34. The sharp boundary of an ecosystem.






35. The transfer of electrons.






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






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






38. Disease causing






39. In DNA Thymine pairs with...






40. Controls balance and muscle coordination






41. What phylum are snakes in?






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






43. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a






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






45. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).






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






47. An enzyme is unaffected by the reactions it catalyzes






48. The class composed of birds.






49. An orienting response to light.






50. 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.






Can you answer 50 questions in 15 minutes?



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