In this cells video (part 2 of 3), Mr. Knuffke discusses the fundamental dividing line in cellular organization: the absence or presence of internal membrane-bound organelles. Learn why prokaryotes are awesomely complex, and why the only multicellular life on the planet is eukaryotic.
Thanks for watching! Do you still have questions? Would you like to make a request, or a correction? Leave a comment, send an email (http://mrknuffke.net/contact), or check out the other resources available at http://mrknuffke.net/ap-biology/
Slide handouts for this unit: https://goo.gl/hcsbQn
AP Curriculum Framework Video Correlations: https://goo.gl/FU5rIk
Link to standalone image credits: https://goo.gl/K6zw6h
All images are licensed under creative commons and public domain licensing, except where otherwise noted. Attribution credit where applicable:
“Chromosomes in Bacteria: Are They All Single and Circular? - MicrobeWiki.” Accessed August 6, 2016. https://microbewiki.kenyon.edu/index.php/Chromosomes_in_Bacteria:_Are_they_all_single_and_circular%3F.
“File:Animal Cell Structure En.svg.” Wikipedia, the Free Encyclopedia. Accessed July 13, 2016. https://en.wikipedia.org/wiki/File:Animal_cell_structure_en.svg.
“File:Average Prokaryote Cell- En.svg.” Wikipedia, the Free Encyclopedia, August 25, 2014. https://en.wikipedia.org/w/index.php?title=File:Average_prokaryote_cell-_en.svg&oldid=622708066.
“File:E. Coli Supercoiled Chromosome.jpg - MicrobeWiki.” Accessed August 6, 2016. https://microbewiki.kenyon.edu/index.php/File:E._coli_supercoiled_chromosome.jpg.
“File:Plant Cell Structure-En.svg.” Wikipedia, the Free Encyclopedia, August 28, 2015. https://en.wikipedia.org/w/index.php?title=File:Plant_cell_structure-en.svg&oldid=678212947.
“File:RobertHookeMicrographia1665.jpg.” Wikipedia, the Free Encyclopedia. Accessed August 6, 2016. https://en.wikipedia.org/wiki/File:RobertHookeMicrographia1665.jpg.
Greer, Rita. English: As No Contemporary Portrait of Robert Hooke Seems to Have Survived from the Seventeenth Century, This One Is a Reconstruction from the Descriptions by His Colleagues Aubrey and Waller. It Shows Him with a Spring, Pocket Watch, Fossil and Map of the City of London after the Great Fire of 1666. He Helped to Survey and Plan the Rebuilding. The Sky on the Left Indicates His Interest in Astronomy. Oil on board, 2004. The original is an oil painting on board by Rita Greer, history painter, 2004. This was digitized by Rita and sent via email to the Department of Engineering Science, Oxford University, where it was subsequently uploaded to Wikimedia. https://commons.wikimedia.org/wiki/File:13_Portrait_of_Robert_Hooke.JPG.
Sowlos, Kelvinsong; modified by. English: Diagram of a Mitochondrion, August 15, 2013. Own work based on: Mitochondrion mini.svg. https://commons.wikimedia.org/wiki/File:Mitochondrion_structure.svg.
Vossman. English: Structure and Shape of the E.coli 70S Ribosome. The Large 50S Ribosomal Subunit (red) and Small 30S Ribosomal Subunit (blue) Are Shown with a 200 Ångstrom (20 Nm) Scale Bar. For the 50S Subunit, the 23S (dark Red) and 5S (orange Red) rRNAs and the Ribosomal Proteins (pink) Are Shown. For the 30S Subunit, the 16S rRNA (dark Blue) and the Ribosomal Proteins (light Blue) Are Shown., May 25, 2009. Own work. https://commons.wikimedia.org/wiki/File:Ribosome_shape.png.
Yikrazuul. English: Peptidoglycan, Consists of Alternating Residues of β-(1,4) Linked N-Acetylmuramic Acid and N-Acetylglucosamine], November 22, 2008. Own work. https://commons.wikimedia.org/wiki/File:Peptidoglycan_en.svg.