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OCR AS Biology

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Identify the organelle pictured

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  1. 1This organelle functions in cellular respirationmitochondrion
  2. 2The organelle functions to package and deliver protiensGolgi Apperatus
  3. 3Cell organelles are located within the (__________) of the cellCytoplasm
  4. 4The Endoplasmic reticulum functions toTransport materials
  5. 5Genetic material is contained within the (___________) of the cellNucleus
  6. 6This organelle is responsible for destroying worn-out cell partsLysosomes
  7. 7The (__________) controls what enters and leaves the cellCell Membrane
  8. 8The rough endoplasmic reticulum has (__________) located on itRibosomes
  9. 9Located within the nucleus, it is responsible for producing ribosomesNucleolus
  10. 10Which structure is directly responsible for the formation of proteins within a cell?Ribosomes
  11. 11What part of the cell is responsible for the breaking down and digesting of thingsLysosomes
  12. 12Identify the organelle picturedMitochondriaIdentify the organelle pictured
  13. 13What part of the cell serves as an intracellular highway?Endoplasmic reticulum
  14. 14Which of the following would you NOT find in a bacterial cell? A)DNA B)Cell Membrane C)Golgi apperatus D)RibosomesC)Golgi apperatus
  15. 15Which of the following is found in plant cells but not animal cells? A)Cell wall B)Vacuole C)Mitochondria D)Endoplasmic reticulumA)Cell Wall
  16. 16The jellylike interior of the cell is called theCytoplasm
  17. 17Identify the organelleEndoplasmic reticulumIdentify the organelle
  18. 18What part of the cell makes protiensRibosomes
  19. 19Where are the ribosomes usually located in animal or plant cells?On the Endoplasmic reticulum
  20. 20What part of the cell serves to process, package and export protiens?Golgi apperatus
  21. 21What is cell signalling?A method of communication between cells
  22. 22The function of a glycolipid isto act as a binding site
  23. 23What do channel proteins allow?the movement of charged substances
  24. 24What do phospholipids do?form a barrier to the movement of polar molecules
  25. 25What does cholesterol do in the membrane?Stabilises the membrane structure
  26. 26Glycoproteins are...a membrane bound receptor
  27. 27How does a protein enter the cellEndocytosis
  28. 28How does a sodium ion enter the cell?facilitated diffusion
  29. 29How does water enter a cell?Osmosis
  30. 30How does oxygen enter the cell?Diffusion
  31. 31How does alcohol enter the cell?Diffusion
  32. 32The molecule that a signal molecule binds to is _________A receoptor
  33. 33The membrane contains binding sites which areGlycoproteins
  34. 34The signal molecule has a shape that isSpecific
  35. 35The shape of the binding site and the shape of the signal molecule areComplementary
  36. 36Cell signalling occurs when signal molecules bind to molecules on theCell Surface Membrane
  37. 37An example of a cell signalling molecule isa hormone
  38. 38Modern drugs often act by mimicking the action ofHormones
  39. 39How does heating affect cell membranes?Increased diffusion due to more kinetic energy
    Membrane becomes more fluid
    Membrane begins to melt
    Proteins denature
  40. 40What happens in anaphase?Sister chromotids move to opposite ends of the cell
  41. 41What happens is metaphase?Chromosomes move to the equator of the cell
  42. 42ProphaseChromosomes coil to become shorter and thicker
  43. 43What happens in Telophase?Nuclear envelope reforms around chromatids (now called chromosomes)
  44. 44The elastic fibres function is toRecoil and return the alveolus to its original shape
  45. 45The function of blood is toTransport gasses
  46. 46The function of cartilage during inhilation is toHold the airways open
  47. 47The function of a goblet cell isto secrete and release mucus
  48. 48The function of smooth muscle is toconstrict or narrow the airway
  49. 49The function of squamous epithelium is toTo provide a short diffusion pathway
  50. 50The function of ciliated epithelium is tomove the mucus up the throat
  51. 51Single-celled organisms have a _______ surface area to volume ratioLarge
  52. 52In large animals the surface area to volume ratio isSmall
  53. 53Active organisms need a lot ofoxygen
  54. 54Do single-celled organisms need a 'pump'?No
  55. 55Large organisms have a large surface area but a very large...volume
  56. 56True or false: Ventilation helps to increase the concentration of oxygen in the aveoliTrue
  57. 57True or false: A low concentration of oxygen in the blood facilitates diffusionTrue
  58. 58True or false: Carbon dioxide leaves the blood by osmosisFalse
  59. 59True or false: The alveoli have ciliated epitheliumFalse
  60. 60True or false: Elastic fibres contract to reduce the size of the alveoliFalse
  61. 61True or false: Elastic fibres help to expel air from the alveoliTrue
  62. 62True or false: During inhilation, the intercostal muscles contractTrue
  63. 63True or false: The alveoli contain smooth muscle fibresFalse
  64. 64True or false: The alveoli are stretched as more air enters the lungsTrue
  65. 65True or false: A short diffusion pathway helps to create a steep concentration gradientTrue
  66. 66True or false: A short diffusion pathway helps to maintain a steep concentration gradientFalse
  67. 67True or false: Cartilage keeps the airways rigidFalse
  68. 68True or false: Tidal volume must be measured at restFalse

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Karteikarten am OCR AS Biology, erstellt von joshbrown3397 am 15/01/2015.
Erstellt von
joshbrown3397
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1.347
Tags
asa-levelbiologyf212f211ocr
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Durchschnittliche Bewertung 3,9 von 5 (25 Bewertungen)

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