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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. High temperatures






2. 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.






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






4. 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.






5. Is disorganized - unravelled - DNA with histones attached.






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






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






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






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






10. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.






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






12. It secretes saliva which enters the digestive tract and aids the digestive process.






13. The phylum of insects (bees).






14. What phylum are snakes in?






15. Is a kingdom that includes algae and protozoa.






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






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






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






19. Covers and protects the leaf.






20. Covalent bonds






21. In DNA Guanine pairs with...






22. 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).






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






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






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






26. Engages in both passive and active transport.






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






28. 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.






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

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30. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.






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






32. Is the organelle where cellular reproductive processes occur.






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






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






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






36. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side






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






38. The phyla of sponges.






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






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






41. 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.






42. The transfer of electrons.






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






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






45. Anabolism






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






47. Controls hunger and thirst






48. 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.






49. Is the waxy protective outer coating of leaves.






50. Refers to the birthrate of a population.