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AP Biology

Subjects : science, ap, 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. The control of water balance in organisms living in hypertonic - hypotonic - or terrestrial environments.






2. A type of inheritance in which the phenotypes of the heterozygote and dominant homozygote are indistinguishable.






3. The physical and physiological traits of an organism.






4. A human genetic disease caused by a sex-linked recessive allele; characterized by progressive weakening and a loss of muscle tissue.






5. A special transport protein in the plasma membrane of animal cells that transports sodium out of the cell and potassium into the cell against their concentration gradients.






6. A structural polysaccharide of cell walls - consisting of glucose monomers joined by b-1 - 4-glycosidic linkages.






7. The entire contents of the cell - exclusive of the nucleus - and bounded by the plasma membrane.






8. The ability of a single gene to have multiple effects.






9. 1. Transport of specific solutes into or out of cells. 2. Enzymatic activity - sometimes catalyzing one of a number of steps of a metabolic pathway 3. Signal transduction - relaying hormonal messages to the cell. 4. Cell-cell recognition - allowing o






10. Having aversion to water tend to coalesce and form droplets of water






11. Sythesis of secretory proteins (glycoproteins) specialized cells secrete proteins produced by rough ER ribosomes and membrane production






12. Maintenance of cell shape (compression resisting girders) cell motility organelle and chromosome movement






13. The complex of DNA and proteins that makes up a eukaryotic chromosome. When the cell is not dividing -exists as a mass of very long - thin fibers that are not visible with a light microscope.






14. An organic molecule possessing both carboxyl and amino groups. Amino acids serve as the monomers of proteins.






15. Differences between members of the same species.






16. Offspring with a phenotype that matches one of the parental phenotypes.






17. A profile of the relative performance of different wavelengths of light.






18. A heritable feature.






19. A type of blue-green photosynthetic pigment that participates directly in the light reactions.






20. A type of endocytosis involving large - particulate substances.






21. A chemical or physical agent that interacts with DNA and causes a mutation.






22. The multicellular diploid form in organisms undergoing alternation of generations that results from a union of gametes and that meiotically produces haploid spores that grow into the gametophyte generation.






23. The portion of a system's energy that can perform work when temperature is uniform throughout the system.






24. The conversion of a normal animal cell to a cancerous cell.






25. The reactant on which an enzyme works






26. Charts of chromosomes that locate genes with respect to chromosomal features.






27. Genes that are located on the same chromosome.






28. A functional group consisting of a hydrogen atom joined to an oxygen atom by a polar covalent bond. Molecules possessing this group are soluble in water and are called alcohols.






29. The mating - or crossing - of two varieties.






30. A noncoding - intervening sequence within a eukaryotic gene.






31. Actin (tension bearing elements ) muscle contraction






32. A netlike array of protein filaments that maintains the shape of the nucleus.






33. A functional group present in aldehydes and ketones and consisting of a carbon atom double-bonded to an oxygen atom.






34. A substance that increases the hydrogen ion concentration of a solution






35. A chemical reaction involving the transfer of one or more electrons from one reactant to another; also called oxidation-reduction reaction






36. A specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and usually involved in chemical reactions.






37. The new continuous complementary DNA strand synthesized along the template strand in the mandatory 5' 3' direction.






38. Center of manufacturing - warehousing - sorting - and shipping products are usually modified during their transit from the cis pole to the trans pole






39. A membrane that cloaks the capsid that in turn encloses a viral genome.






40. A homogeneous mixture of two or more substance (liquid)






41. The generation of ATP by cyclic electron flow.






42. The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water.






43. A threadlike - gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins.






44. The principle of conservation of energy. Energy can be transferred and transformed - but it cannot be created or destroyed.






45. The disruption of a cell and separation of its organelles by centrifugation.






46. Chromatin - nucleolus - nuclear envelope--> directs protein synthesis by synthesizing RNA (mRNA) and sending it to the cytoplasm via nuclear pores-->the mRNA is made according to instruction provided by DNA --> mRNA reaches cytoplasm ribosomes transl






47. Any cell in multicellular organism except an egg or sperm






48. A loosely arranged photosynthetic cell located between the bundle sheath and the leaf surface.






49. Constructed from glycerol and fatty acids






50. The protective structure at each end of a eukaryotic chromosome. Specifically - the tandemly repetitive DNA at the end of the chromosome's DNA molecule. See also repetitive DNA.







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