logging in or signing up eukaryotic cell organelles thetobbit Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 79 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: November 22, 2010 This Presentation is Public Favorites: 2 Presentation Description a video on the oporganellese we need to know for the module Comments Posting comment... By: sid0617 (8 month(s) ago) how do i download this,..??? Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Eukaryotic Cell Organelles : Eukaryotic Cell Organelles CCEA Biology AS Module 1 Nucleus : Largest organelle Enclosed within an envelope; nuclear pores DNA inside codes for protein synthesis in the cytoplasm Pores allow large molecules in/out Nucleolus (darker part) synthesises rRNA and makes ribosomes Nucleus Ribosomes : Small bodies of Either free in the cytoplasm or attached to the RER Site of protein synthesis Ribosomes Endoplasmic Reticulum : Membrane system of sacs and tubes permeates the cytoplasm Either Smooth ER or Rough ER (SER & RER) RER is studded with ribosomes, while SER isnt Proteins made in the ribosomes accumulate in RER and are passed onto the Golgi Appartus SER lipid metabolism Endoplasmic Reticulum Golgi Apparatus : Stack of sacs called cisternae Vesicles join from RER and leave afterwards Dynamic structure in which proteins are modified & packaged into vesicles either for secretion or for use in the cell Golgi Apparatus Lysosomes : Vesicles produced by the golgi apparatus which contain hydolytic enzymes They combine with membrane-bound organelles or ingested particles Hydrolytic enzymes digest the contents Lysosomes Mitochondria : Sausage-shaped Surrounded by an envelope which is folded to form cristae Involved in the synthesis of ATP by respiration Mitochondria Chloroplasts : Surrounded by an envelope Elaborate internal membrane system of lamellae with thylakoids stacked into grana Contain lipid droplets and starch grains Chloroplasts Vesicles : Bound by a single membrane Much smaller than vacuoles May be used for storage and transport of substances Vesicles Vacuoles : Permanent in plant and fungal cells For storage of water and ions Vacuoles Microtubules : Tubular Occur within the cytoplasm and in centrioles Centrioles form the spindle fibres during cell division of animal and fungal cells Microtubules Plasmodesmata : Strands of cytoplasm between neighbouring plant cells that pass through pores in the walls Facilitate transport of materials between adjacent cells in plants Plasmodesmata Slide 13: Thanks for Watching! You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
eukaryotic cell organelles thetobbit Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 79 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: November 22, 2010 This Presentation is Public Favorites: 2 Presentation Description a video on the oporganellese we need to know for the module Comments Posting comment... By: sid0617 (8 month(s) ago) how do i download this,..??? Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Eukaryotic Cell Organelles : Eukaryotic Cell Organelles CCEA Biology AS Module 1 Nucleus : Largest organelle Enclosed within an envelope; nuclear pores DNA inside codes for protein synthesis in the cytoplasm Pores allow large molecules in/out Nucleolus (darker part) synthesises rRNA and makes ribosomes Nucleus Ribosomes : Small bodies of Either free in the cytoplasm or attached to the RER Site of protein synthesis Ribosomes Endoplasmic Reticulum : Membrane system of sacs and tubes permeates the cytoplasm Either Smooth ER or Rough ER (SER & RER) RER is studded with ribosomes, while SER isnt Proteins made in the ribosomes accumulate in RER and are passed onto the Golgi Appartus SER lipid metabolism Endoplasmic Reticulum Golgi Apparatus : Stack of sacs called cisternae Vesicles join from RER and leave afterwards Dynamic structure in which proteins are modified & packaged into vesicles either for secretion or for use in the cell Golgi Apparatus Lysosomes : Vesicles produced by the golgi apparatus which contain hydolytic enzymes They combine with membrane-bound organelles or ingested particles Hydrolytic enzymes digest the contents Lysosomes Mitochondria : Sausage-shaped Surrounded by an envelope which is folded to form cristae Involved in the synthesis of ATP by respiration Mitochondria Chloroplasts : Surrounded by an envelope Elaborate internal membrane system of lamellae with thylakoids stacked into grana Contain lipid droplets and starch grains Chloroplasts Vesicles : Bound by a single membrane Much smaller than vacuoles May be used for storage and transport of substances Vesicles Vacuoles : Permanent in plant and fungal cells For storage of water and ions Vacuoles Microtubules : Tubular Occur within the cytoplasm and in centrioles Centrioles form the spindle fibres during cell division of animal and fungal cells Microtubules Plasmodesmata : Strands of cytoplasm between neighbouring plant cells that pass through pores in the walls Facilitate transport of materials between adjacent cells in plants Plasmodesmata Slide 13: Thanks for Watching!