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Honors Freshman Science

Subject : science
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. Changes in the shape of a protein and the accompanying loss of its biological activity






2. A large & relatively distinct terrestrial region that has similar climate & soil & plants & and animals regardless of where it occurs






3. The structure in the mitochondria






4. Fluid filled chamber that surrounds and protects the developing embryo in a land egg






5. A stable and persistent community & is impossible to achieve because of disturbances






6. Moving into unoccupied niches & causes speciation






7. Female part of the flower






8. A membrane where some things can go through & and others can't






9. The buildup of predator and prey strategies






10. A form of active transport that uses energy to pump ions from the outside to the inside of a cell






11. The young have a high probability of surviving & which the old have a much lower probability






12. A compound in which carbon atoms are covalently bonded to one another to form the backbone of the molecule






13. A sequence of three bases that hydrogen bond with the mRNA codon by complementary base pairing






14. Both dominant or recessive






15. The nuclear division that produces two nuclei containing chronosomes identical to those in the parental nucleus






16. Reproductive isolation due to different mating times






17. The buildup of predator and prey strategies






18. The concentration of water is higher than in the other area






19. The idea that evolution takes place in relatively short bursts of rapid change followed by long periods of stability






20. Initial shoot that comes out of the ground






21. Original cell that forms egg






22. Individual & population & community & ecosystem & landscape & biosphere






23. Where sperm is stored






24. A symbiotic relationship in which the parasite benefits which the host is harmed






25. Used for long term energy storage & cell membranes & padding and insulation & and steroids & soluble in nonpolar solvents and relatively insoluble in water






26. The change in species composition produced at ecotones






27. Cold & dry & permafrost & treeless & short growing season






28. AUG






29. Figured out that the hormone that made plants bend was on the opposite side from the light






30. A plant structural compound






31. Going from areas of low to high concentration & goes against the concentration gradient & requires cell energy






32. The strand of DNA that is always growing away from the replication fork & so only short pieces can be synthesized






33. Provides structure for the cell






34. A phospholipid bilayer in which the layers are oriented towards each other and there are proteins on the outside of and in between the layers






35. Up or down






36. Active at nigh






37. Daily & 24 hour cycles of activity






38. Reproductive isolation due to different habitats in the same area






39. TATA






40. Makes up the cytoskeleton






41. When individuals in a population are spaced throughout an area in a way that is unrelated to where other are & the least common type of dispersion






42. Secretes hormones that keep uterine lining thick in the event of fertilization & what the follicle turns into after fertilization






43. One extreme is bad and the other is good






44. Holds the ovaries to the body of the uterus






45. A fatty acid that contains the maximum possible number of hydrogens






46. A piece of DNA made on the lagging strand






47. Grasses and scattered trees & less precipitation than in grasslands






48. Warm & lots of rain & highest level of diversity and production






49. A transitional zone where two or more communities meets & contains all or most of the ecological niches of the adjacent communities as well as some that are unique to the ecotone






50. Genes that tend to be inherited together







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Can you answer 50 questions in 15 minutes?


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