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SAT Subject Test: Biology

Subjects : sat, 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 mass of cells that have similar structures and perform similar functions






2. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






3. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






4. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






5. The study of all living processes - activities and functions






6. A behavioral or biological change that enables an organism to adjust to its environment






7. Unicellular organism with simple cell structure






8. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






9. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






10. A stage of embryonic development in which the embryo consists of a hollow ball of cells






11. Structures in the testes that produce sperm and semen






12. The space between the mesodermal layers that forms the body cavity of some animal phyla






13. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






14. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






15. The cavity between the lungs and the wall of the chest






16. The process of breaking down large organic molecules into smaller ones






17. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






18. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






19. Genetic blending; each allele exerts some influence on the phenotype






20. Blood protein that is transformed to fibrin upon clotting






21. An underground stem






22. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






23. The first filial generation (first offspring)






24. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






25. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






26. A "seed leaf"; responsible for food digestion and storage in plant embryo






27. An organism that does not require free oxygen in order to respire






28. Pertaining to a type of gland that releases its secretion through a duct






29. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals






30. A ring-shaped muscle that is capable of closing a tubular opening by constriction






31. The movement of particles from one place to another as a result of their random motion






32. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






33. The exchange of parts of homologous chromosomes during meiosis






34. Any chromosome that is not a sex chromosome






35. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






36. An organism that obtains its nutrients from dead organisms






37. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






38. Compounds in bile that aid in emulsification






39. Pertaining to a subdivision of the autonomic nervous system of vertebrates






40. The colored part of the eye that is capable of contracting and regulating the size of the pupils






41. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation






42. A duct through which the urine passes from the bladder to the outside






43. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






44. The pressure exerted by the contents of a cell against the cell membrane or cell wall






45. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






46. A bundle of nerve axons






47. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis






48. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






49. A relationship in which one organism benefits at the expense of another






50. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids







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