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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. 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.






2. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.






3. High temperatures






4. The vocal cords are found in the larynx.






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






6. Contains organisms that are multicellular eukaryotes including molds and mushrooms.






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






8. Is weaker than ionic - covalent - disulfide - or double bonds.






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






10. What phylum are snakes in?






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






12. Covalent bonds






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






14. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.






15. The systematic search for individuals with a specific genotype in a delineated population.






16. Is a behavior that is learned during a critical point (often very early) in an individual's life. Imprinting enables the young the recognize members of their own species.






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






18. Is a kingdom that includes algae and protozoa.






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






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






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






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






23. Breaking down






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






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






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






27. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.






28. 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






29. 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.






30. The transfer of electrons.






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






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






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






34. Protein synthesis






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






36. Is found in the root cap and is responsible for quick growth in the roots.






37. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t






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






39. 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.






40. In DNA Thymine pairs with...






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






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






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






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






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






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






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






48. The sharp boundary of an ecosystem.






49. Disease causing






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







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