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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 substance that is acted upon by an enzyme






2. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






3. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates






4. An organ that stores urine temporarily before it is excreted






5. Any organism that is the victim of a parasite






6. 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






7. A network or mesh of fibrils - fibers or filaments






8. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter






9. An individual that is heterozygous for only one trait






10. Relating to the lung






11. The cell membrane






12. A symbiotic relationship from which both organisms involved derive some benefit






13. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






14. In plants - an area of undifferentiated tissue covered by embryonic leaves






15. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






16. The removal of an amino group from an organism - particularly from an amino acid






17. The portion of alimentary canal in which some protein digestion occurs






18. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen






19. A type of anaerobic respiration found in fungi - bacteria and human muscle cells






20. The state in which two genetic traits are fully expressed and neither dominates






21. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






22. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






23. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones






24. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






25. Random evolutionary changes in the genetic makeup of a population






26. A class of arthropods that includes scorpions - spiders - mites and ticks






27. An organ that is not functional in an organism - but was functional at some period in its evolution






28. A mature ovary






29. The individual differences of form among the members of a species






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






31. The study of form and structure






32. The kind of bond formed when two amino acid units are jointed end to end






33. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






34. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin






35. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






36. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






37. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






38. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






39. The hindbrain region that controls equilibrium and muscular coordination






40. Describes cells that have a double set of chromosomes in homologous pairs (2n)






41. A reproductive cell






42. The part of the flower that produces pollen






43. An organism that is heterozygous for two different traits






44. A nerve fiber






45. Part of the nephron in the kidney; involved in excretion

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46. An organic catalyst and protein






47. Any cell that is not a reproductive cell






48. An enzyme that acts upon maltose and converts it into glucose






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






50. An opening in the eye whose size is regulated by the iris