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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. The individual we recognize as an adult fern.






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






3. Some enzymes contain a __________ component that is essential to their functions.






4. 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






5. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.






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






7. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.






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






9. Is a social behavior of an organism that is beneficial to the group at the individual's expense.






10. Is a phylum that contains sponges.






11. 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.






12. The pituitary gland.






13. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.






14. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.






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






16. Engages in both passive and active transport.






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






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






19. Covalent bonds






20. 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.






21. The phyla of round worms.






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






23. Anabolism






24. 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).






25. 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






26. Is a packet of digestive enzymes that destroy cellular wastes.






27. The phyla of sponges.






28. A suffix meaning 'to break apart.' O || ||






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






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






31. The transfer of electrons.






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






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






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






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






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






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






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






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






40. Carbon - Hydrogen - Oxygen - and Nitrogen






41. Contains optic lobes - controls sight.






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






43. 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






44. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.






45. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.






46. Is a kingdom that includes algae and protozoa.






47. Are the organelles where cellular respiration occurs.






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






49. 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.






50. Must be present for photosynthesis to occur - it is not used up in the process.







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