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6. Are peripheral membrane proteins embedded?

  • no
  • yes

7. What is pinocytosis?

  • cellular synthesis
  • cellular death
  • cellular drinking
  • cellular eating

8. What do glycoproteins do?

  • enable cells to be recognized by other cells/proteins
  • enable cells to be recognized by polynucleotides only
  • enable cells to be recognized by other cells/polynucleotides
  • enable cells to be recognized by proteins only

9. What is diffusion rate determined by?

  • temperature, size, charge and cytoplasmic fibres
  • temperature, size, charge and concentration gradient
  • temperature, saturation, charge and concentration gradient
  • transmembrane proteins, size, charge and concentration gradient

10. What do desmosomes do?

  • hold adjacent cells together, have thin plaques attached to cytoplasmic fibres and membrane cell adhesion proteins
  • hold adjacent cells together, have thin plaques attached to cytoskeleton and membrane cell adhesion proteins
  • hold adjacent cells together, have dense plaques attached to cytoplasmic fibres and membrane cell adhesion proteins
  • hold adjacent cells together, have dense plaques attacked to cytoskeleton and membrane cell adhesion proteins

11. What are thylakoid membranes involved in?

  • conversion of light energy in photosynthesis
  • conversion of heat energy in photosynthesis
  • conversion of mechanical energy in photosynthesis
  • conversion of chemical energy in photosynthesis

12. What is secondary active transport?

  • uses established gradients and uses ATP indirectly
  • uses established gradients and uses ATP directly
  • uses established gradients and uses ADP indirectly
  • uses established gradients and uses ADP directly

13. What is endocytosis?

  • waste matter inside cell
  • materials entering cell
  • materials being secreted from cell
  • another word for pinocytosis

14. What do tight junctions do?

  • link adjacent endothelium cells, restrict protein migration, prevent protein synthesis
  • link adjacent muscle cells, restrict protein migration, prevent substances moving through intercellular space
  • link adjacent epithelial cells, restrict protein migration, prevent substances moving through intercellular space
  • link adjacent muscle cells, restrict protein synthesis, prevent substances moving through intercellular space

15. What model describes the plasma membrane?

  • fluid mosaic model
  • fluid phospholipid model
  • phospholipid trilayer model
  • fluid bilayer model

16. What is glycolipid?

  • a carbohydrate-bound lipid
  • a carbohydrate-bound protein
  • a carboxylic acid
  • a carboxylic-bound lipid

17. What is phagocytosis?

  • cellular eating
  • cellular drinking
  • cellular synthesis
  • cellular death

18. What do connexins do?

  • snap together to generate a organelle
  • snap together to generate a pore
  • snap together to generate a membrane
  • snap together to generate a protein

19. What is exocytosis?

  • materials secreted from cell
  • materials entering cell
  • waste matter inside cell
  • another word for phagocytosis