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Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What is aWhat is a
unicellularunicellular
organism andorganism and
give twogive two
examples?examples?
• An organism whichAn organism which
consists of one cellconsists of one cell
only.only.
• PleurococcusPleurococcus
• Bact...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What organellesWhat organelles
in an animal cellin an animal cell
would be shownwould be shown
by an electronby an electr...
• NucleusNucleus
• NucleolusNucleolus
• MitochondrionMitochondrion
• Smooth ERSmooth ER
• Rough ERRough ER
• RibosomesRibo...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•How are cheekHow are cheek
epithelial cellsepithelial cells
suited to theirsuited to their
function?function?
• They have a flatThey have a flat
irregular shape whichirregular shape which
forms a loose layerforms a loose layer
which...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What are the rolesWhat are the roles
of the roughof the rough
endoplasmicendoplasmic
reticulum and thereticulum and the
s...
•Rough = SynthesisRough = Synthesis
and transport ofand transport of
proteins for exportproteins for export
•Smooth = Synt...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What is theWhat is the
role of therole of the
mitochondrion?mitochondrion?
• Produces ATPProduces ATP
by aerobicby aerobic
respirationrespiration
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
●● What two typesWhat two types
of cell are presentof cell are present
in the humanin the human
windpipe andwindpipe and
E...
• Ciliated columnarCiliated columnar
epithelial cell = Cilia beatepithelial cell = Cilia beat
upwards to sweep mucusupward...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What is the cellWhat is the cell
wall composed of,wall composed of,
and how does itsand how does its
structure suit itsst...
•Cellulose= TheCellulose= The
fibrous arrangementfibrous arrangement
makes the cell wallmakes the cell wall
strong but als...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•State the twoState the two
functions of xylemfunctions of xylem
tissue and explaintissue and explain
how the two cellhow ...
• Water Transport and SupportWater Transport and Support
• Vessel = Hollow tube to allowVessel = Hollow tube to allow
tran...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•Describe theDescribe the
permeabilitypermeability
of the cellof the cell
wallwall
•FreelyFreely
permeablepermeable
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•Name fourName four
functions of thefunctions of the
proteins in theproteins in the
plasmaplasma
membranemembrane
• SupportSupport
• Transport (through channels)Transport (through channels)
• Transport (as carriers toTransport (as carri...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What are theWhat are the
roles of theroles of the
golgi body andgolgi body and
golgi vesicles?golgi vesicles?
•Golgi body =Golgi body =
Packages complexPackages complex
moleculesmolecules
•Golgi vesicles =Golgi vesicles =
Encloses a...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What are theWhat are the
two maintwo main
components ofcomponents of
the plasmathe plasma
membrane?membrane?
•ProteinsProteins
•PhospholipidsPhospholipids
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What doesWhat does
hydrophilic meanhydrophilic mean
and which elementand which element
of a phospholipidof a phospholipid...
•Hydrophilic =Hydrophilic =
‘Water loving’‘Water loving’
•The phosphate headThe phosphate head
is hydrophilicis hydrophilic
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What are the twoWhat are the two
main cell typesmain cell types
present in bloodpresent in blood
and how does theirand ho...
• Red blood cells = BiconcaveRed blood cells = Biconcave
shape allows a large surfaceshape allows a large surface
area for...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•Why canWhy can EuglenaEuglena
not be classifiednot be classified
as either a plantas either a plant
or animal?or animal?
• Has plant and animalHas plant and animal
characteristics.characteristics.
• No cellulose cell wall andNo cellulose cell ...
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
•What doesWhat does
hydrophobic meanhydrophobic mean
and which elementand which element
of a phospholipidof a phospholipid...
•Hydrophobic =Hydrophobic =
‘Water hating’‘Water hating’
•The lipid tails areThe lipid tails are
hydrophobichydrophobic
Unit 1: CellUnit 1: Cell
VarietyVariety
11 22 33 44 55
66 77 88 99 1010
1111 1212 1313 1414 1515
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Power point quiz; cell variety

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Power point quiz; cell variety

  1. 1. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  2. 2. •What is aWhat is a unicellularunicellular organism andorganism and give twogive two examples?examples?
  3. 3. • An organism whichAn organism which consists of one cellconsists of one cell only.only. • PleurococcusPleurococcus • BacteriaBacteria • ParameciumParamecium • AmoebaAmoeba • EuglenaEuglena
  4. 4. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  5. 5. •What organellesWhat organelles in an animal cellin an animal cell would be shownwould be shown by an electronby an electron microscope?microscope?
  6. 6. • NucleusNucleus • NucleolusNucleolus • MitochondrionMitochondrion • Smooth ERSmooth ER • Rough ERRough ER • RibosomesRibosomes • CentriolesCentrioles • LysosomeLysosome • Golgi bodyGolgi body • Golgi vesiclesGolgi vesicles
  7. 7. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  8. 8. •How are cheekHow are cheek epithelial cellsepithelial cells suited to theirsuited to their function?function?
  9. 9. • They have a flatThey have a flat irregular shape whichirregular shape which forms a loose layerforms a loose layer which is easilywhich is easily replaced during wearreplaced during wear and tear, thusand tear, thus protecting the mouthprotecting the mouth lininglining
  10. 10. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  11. 11. •What are the rolesWhat are the roles of the roughof the rough endoplasmicendoplasmic reticulum and thereticulum and the smooth endoplasmicsmooth endoplasmic reticulum?reticulum?
  12. 12. •Rough = SynthesisRough = Synthesis and transport ofand transport of proteins for exportproteins for export •Smooth = SynthesisSmooth = Synthesis and transport ofand transport of lipidslipids
  13. 13. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  14. 14. •What is theWhat is the role of therole of the mitochondrion?mitochondrion?
  15. 15. • Produces ATPProduces ATP by aerobicby aerobic respirationrespiration
  16. 16. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  17. 17. ●● What two typesWhat two types of cell are presentof cell are present in the humanin the human windpipe andwindpipe and Explain how theseExplain how these cells are suited tocells are suited to their functiontheir function
  18. 18. • Ciliated columnarCiliated columnar epithelial cell = Cilia beatepithelial cell = Cilia beat upwards to sweep mucusupwards to sweep mucus away from lungsaway from lungs • Goblet cell = ProducesGoblet cell = Produces mucus to trap germs andmucus to trap germs and dirtdirt
  19. 19. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  20. 20. •What is the cellWhat is the cell wall composed of,wall composed of, and how does itsand how does its structure suit itsstructure suit its function?function?
  21. 21. •Cellulose= TheCellulose= The fibrous arrangementfibrous arrangement makes the cell wallmakes the cell wall strong but alsostrong but also slightly elasticslightly elastic
  22. 22. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  23. 23. •State the twoState the two functions of xylemfunctions of xylem tissue and explaintissue and explain how the two cellhow the two cell types are suited totypes are suited to these functionsthese functions
  24. 24. • Water Transport and SupportWater Transport and Support • Vessel = Hollow tube to allowVessel = Hollow tube to allow transport and strengthenedtransport and strengthened with lignin for supportwith lignin for support • Tracheid = Lignified walls forTracheid = Lignified walls for supportsupport
  25. 25. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  26. 26. •Describe theDescribe the permeabilitypermeability of the cellof the cell wallwall
  27. 27. •FreelyFreely permeablepermeable
  28. 28. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  29. 29. •Name fourName four functions of thefunctions of the proteins in theproteins in the plasmaplasma membranemembrane
  30. 30. • SupportSupport • Transport (through channels)Transport (through channels) • Transport (as carriers toTransport (as carriers to actively pump molecules)actively pump molecules) • EnzymesEnzymes • Antigenic markersAntigenic markers • Receptors for hormonesReceptors for hormones
  31. 31. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  32. 32. •What are theWhat are the roles of theroles of the golgi body andgolgi body and golgi vesicles?golgi vesicles?
  33. 33. •Golgi body =Golgi body = Packages complexPackages complex moleculesmolecules •Golgi vesicles =Golgi vesicles = Encloses andEncloses and transports moleculestransports molecules
  34. 34. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  35. 35. •What are theWhat are the two maintwo main components ofcomponents of the plasmathe plasma membrane?membrane?
  36. 36. •ProteinsProteins •PhospholipidsPhospholipids
  37. 37. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  38. 38. •What doesWhat does hydrophilic meanhydrophilic mean and which elementand which element of a phospholipidof a phospholipid can be describedcan be described as this?as this?
  39. 39. •Hydrophilic =Hydrophilic = ‘Water loving’‘Water loving’ •The phosphate headThe phosphate head is hydrophilicis hydrophilic
  40. 40. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  41. 41. •What are the twoWhat are the two main cell typesmain cell types present in bloodpresent in blood and how does theirand how does their structure suitstructure suit their functions?their functions?
  42. 42. • Red blood cells = BiconcaveRed blood cells = Biconcave shape allows a large surfaceshape allows a large surface area for better uptake ofarea for better uptake of oxygen for transportoxygen for transport • White blood cells = Some canWhite blood cells = Some can change shape and containchange shape and contain microbe digesting enzymes tomicrobe digesting enzymes to kill any invading pathogenskill any invading pathogens
  43. 43. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  44. 44. •Why canWhy can EuglenaEuglena not be classifiednot be classified as either a plantas either a plant or animal?or animal?
  45. 45. • Has plant and animalHas plant and animal characteristics.characteristics. • No cellulose cell wall andNo cellulose cell wall and ingests food byingests food by phagocytosisphagocytosis • Also contains chloroplastsAlso contains chloroplasts and can photosynthesiseand can photosynthesise
  46. 46. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515
  47. 47. •What doesWhat does hydrophobic meanhydrophobic mean and which elementand which element of a phospholipidof a phospholipid can be describedcan be described as this?as this?
  48. 48. •Hydrophobic =Hydrophobic = ‘Water hating’‘Water hating’ •The lipid tails areThe lipid tails are hydrophobichydrophobic
  49. 49. Unit 1: CellUnit 1: Cell VarietyVariety 11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515

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