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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. The accelerating population growth rate that occurs when optimal conditions allow a constant per capita growth rate






2. A channel that takes things from one side of the phospholipid bilayer to the other by having a protein attach to the channel which changes its shape and moves the stuff to the other side






3. A protein that accelerates the thousands of different chemical reactions that take place in an organism






4. 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






5. Partner chromosomes similar in size & shape & and the position of their centromeres (XX)






6. A group consisting of members of the same species that live together in a prescribed area at the same time






7. The lifestyle a species actually pursues and the resources it actually uses






8. Initial shoot that comes out of the ground






9. Any process that leads to new gene combinations






10. The number of individuals of a species per unit of area or volume at a given time






11. Camouflage






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






13. Away from the stimulus






14. A conservation approach that emphasizes restoring and maintaining the quality of an entire ecoystem rather than the conservation of individual species






15. Eggs and sperm combine






16. Participates in the process in which amino acids are linked to form polypeptides






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






18. Connects the testis to the penis






19. Involves persistent changes in behavior that result from experience






20. Original cell that forms egg






21. A species that is crucial in determining the nature of the entire community and that greatly affects the rest of the community & keeps the who ecosystem in balance






22. An actively cooperating group of individuals belonging to the same species and often closely related






23. Oscillation between two things that affect the population & keeps the population in check






24. The interaction of two or more animals & usually of the same species






25. When the animal must do something to gain a reward or to avoid punishment






26. A group of the populations of all the different species in an area






27. Used for reproductive purposes and peeing






28. Halfway between saturated and unsaturated






29. Holds the cell in place and gives it structure






30. Chromosomes other than sex chromosomes






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






32. A fatty acid that doesn't contain the maximum possible number of hydrogens






33. Moving a solid molecule into a cell






34. A type of social learning based on early experience which allows offspring to bond to their mother






35. When water moves into a cell and keeps going in until the membrane bursts






36. A geographic area that animals seldom leave






37. Produces proteins






38. Affects the ripening of fruit






39. Produces eggs






40. Physically changing from sex when there aren't any of one sex






41. Holds the cell in place and gives it structure






42. A cooperative view of the community that stresses interactions between different species






43. Pressure the cell membrane exerts on the cell wall when the water vacuole is filled






44. Zygote after it has undergone mitosis and grown






45. Light sensitive chemical






46. The enzyme that controls the cell cycle & is destroyed during mitosis






47. A disaccharide made from glucose and galactose & milk sugar






48. Growth response to gravity & positive in stem & negative in roots






49. The sequence of nucleotides in one chain dictates the complementary sequence of nucleotides in the other






50. Makes up the cytoskeleton






Can you answer 50 questions in 15 minutes?



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