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Cell functions Quick Quiz

Foster Parnell 25 perguntas

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Perguntas do quiz (25)

  1. 1The Cytoplasm consist of specialized bodies called 1. _________ suspended in a fluid matrix, the 2. __________ which consist of water and dissolved substances such as proteins and nutrients
    1. A1. Organelles
      2. phospholipid bilayer
    2. B1. Golgi Bodies
      2. Cystol
    3. C1. Organelles
      2. Cystol
    4. D1. Organelles
      2. Extracellular Fluid
  2. 2The Fluid Mosaic Model describes the cell membrane as being what?
    1. A1. The mosaic nature of scattered proteins within a flexible matrix of phospholipid molecules.
    2. B2. The rigid nature of the phospholipid bilayer with a few membrane proteins to help with recognition and transportation of molecules
    3. C3. The mosaic nature of scattered proteins within a solid matrix made of cellulose
  3. 3Three types of of proteins on the cell membrane are peripheral proteins, Chained proteins, and transmembrane proteins
    1. AVerdadeiro
    2. BFalso
  4. 4Which type of transmembrane protein provides open passageways through the membrane for certain hydrophilic substances such as polar and charged molecules?
    1. AAquaporins
    2. BChannel proteins
    3. CIon channels
    4. DPorins
  5. 5Ion Channels....
    1. AUse energy to transport materials across the membrane through a process called active transport. The Na+ - K+ pump
    2. BAllows the passage of ions across the membrane. In nerve and muscle cells. This also includes gated channels which open and close in response to specific chemical or electrical stimuli to allow the passage of specific ions such as Na+ and K+
    3. Callow passage of certain ions and small polar molecules
    4. DAllow only large charged molecules to transfer
  6. 6Porins are found in the plasma membrane of certain cells and dramatically increase the passage rate of H2O molecules
    1. AVerdadeiro
    2. BFalso
  7. 7Carrier proteins bind to specific molecules, which changes shape and passes across into the cell E.g. glucose
    1. AVerdadeiro
    2. BFalso
  8. 8The difference between adhesion proteins and receptor proteins is that adhesion proteins attach to neighboring cells and provide internal filaments and tubules for stability, while receptor proteins are used as a binding site for hormones and other trigger molecules
    1. AVerdadeiro
    2. BFalso
  9. 9The function of Glycoproteins are what?
    1. AUsed to help the ER assemble ribosomes by attaching polysaccharide groups to polypeptides
    2. BTo add rigidity to the cell membrane of animal cells under normal temperature
    3. CA carbohydrate coat that covers the outer surface of the cell wall of some bacteria and the cell membrane of some animals. Provides adhesive capabilities, and a barrier to infections.
    4. Dused to distinguish between self and foreign cells and bacteria
  10. 10What adds rigidity to the membrane of plant cells under normal conditions?
    1. ACholesterol
    2. BGlycocalyx
    3. Csterols
    4. DPorins

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Descrição
Quiz made to review cliffs AP bio and Ferralis biology notes. Is not meant to be difficult but to check your knowledge
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English
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