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![Myofibrils occupy approximately 54% and mitochondria occupy 43% of fiber volume in honeybee flight muscles. Adenine nucleotide transport, electron transport, proton pumping and oxidative phosphorylation are made possible by enzymes and trans](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1545463052365-RDD1LLOWZ8CUECJRPTZM/Screen+Shot+2018-12-22+at+1.16.23+AM.png)
![Screen Shot 2020-02-12 at 1.38.57 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1581493178999-9E9O21HHPW7FJF10Q5WQ/Screen+Shot+2020-02-12+at+1.38.57+AM.png)
![link to article](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1687967862864-707Z7YWOCEAH9ZPGNBC7/Screenshot+2023-06-28+at+10.55.23+AM.png)
![link to full article](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1687974894848-R56E3OR4KKN4ISHDV47B/Screenshot+2023-06-28+at+12.45.11+PM.png)
![Screenshot 2023-06-28 at 12.45.50 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1687974900529-CHG8Z6WSXNVG4F2TOT2J/Screenshot+2023-06-28+at+12.45.50+PM.png)
![Screenshot 2023-06-28 at 12.46.14 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1687974905120-R4RNOHUYUDRPK3P5E6H2/Screenshot+2023-06-28+at+12.46.14+PM.png)
![link to full 2017 review article](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1687872427166-F6KKQY3BSMHTHJNM8XTI/Screenshot+2023-06-27+at+8.25.00+AM.png)
![link to full 2017 article](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1687901834153-K9IJXJ1UYKSJTMIF8GW7/Screenshot+2023-06-27+at+3.54.57+PM.png)
![link to article excerpts: Mitochondria are double-membrane organelles found in almost all cell types, with the exception of erythrocytes. One of the main functions of mitochondria is to generate adenosine triphosphate (ATP) through ox](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1688064671619-TS4FFCBOZA4DET8ELCPP/Screenshot+2023-06-29+at+1.45.55+PM.png)
![Screen Shot 2018-12-22 at 1.55.00 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1545465341767-13230Z5K8HSHHJYK318T/Screen+Shot+2018-12-22+at+1.55.00+AM.png)
![Screen Shot 2019-01-24 at 3.36.23 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1548322826854-JOFVXSN414FZMTRMAQ9K/Screen+Shot+2019-01-24+at+3.36.23+AM.png)
![Screen Shot 2018-12-22 at 2.02.59 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1545465863814-SLXGV8TFDPMKP0Q5CHXI/Screen+Shot+2018-12-22+at+2.02.59+AM.png)
![Margulis focused on the cells that make up the bodies of animals, plants, and fungi. These cells have a complexity to them that bacterial cells do not. Each one contains a nucleus, in which the genome resides. Surrounding the nucleus are a num](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1680194047592-22L5FDB2EHIJNQSB6OIC/Screenshot+2023-03-30+at+11.28.46+AM.png)
![Screen Shot 2019-01-19 at 2.16.49 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1547885940050-7JF888LDVZBFDAXIMBBX/Screen+Shot+2019-01-19+at+2.16.49+AM.png)
![Screen Shot 2019-01-19 at 2.17.12 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1547885948200-FA8S729X62G7KWB19UGO/Screen+Shot+2019-01-19+at+2.17.12+AM.png)
![britannica.com - mitochondrion](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1556616221269-FXLQTFVDUI2HXR8F711Q/Screen+Shot+2019-04-30+at+4.23.19+AM.png)
![britannica.com - mitochondrion](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1556616427229-951YAAT9G09XBYR7I74C/Screen+Shot+2019-04-30+at+4.26.48+AM.png)
![Screen Shot 2018-12-23 at 5.40.55 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1545608498810-EECDR3VQ0E0WAK282GYS/Screen+Shot+2018-12-23+at+5.40.55+PM.png)
![Screen Shot 2018-12-29 at 5.29.05 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546083044571-FGOLR660EYQX7PPUAB2U/Screen+Shot+2018-12-29+at+5.29.05+AM.png)
![Screen Shot 2018-12-29 at 6.03.03 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546085000991-KYLQAROQHXNKGCU27QCG/Screen+Shot+2018-12-29+at+6.03.03+AM.png)
![source](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1653579017345-LRJAWI9ZEQLJCNRF6MZY/Screen+Shot+2022-05-26+at+10.26.48+AM.png)
![source](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1653579023303-H7HNJSC5ZBIS1YOSRV68/Screen+Shot+2022-05-26+at+10.27.06+AM.png)
![source](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1653579028290-4BJCOI29DXJ85RJAI7LH/Screen+Shot+2022-05-26+at+10.27.31+AM.png)
![source](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1680349638992-OJASNLS3RQE82K5OWWLE/Screenshot+2023-04-01+at+6.32.55+AM.png)
![mitochondrial membrane proton pump: making ATP / heating the cell - 2 min. Harvard video Structure and function of the mitochondrion - HarvardX - 5 min. video](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1557479902911-WNB0ICWUS09XK49MQLPV/Screen+Shot+2019-05-10+at+4.16.50+AM.png)
![Screen Shot 2018-12-30 at 6.12.22 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546172021036-F7PW42I0833N7MQX6VR5/Screen+Shot+2018-12-30+at+6.12.22+AM.png)
![Screen Shot 2019-01-25 at 5.33.07 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1548416062398-0N54WI6K90Z28JRRISEX/Screen+Shot+2019-01-25+at+5.33.07+AM.png)
![Screen Shot 2018-12-29 at 6.33.18 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546130042137-9AQMT6XGPMWFXT9OMHWA/Screen+Shot+2018-12-29+at+6.33.18+PM.png)
![Screen Shot 2019-01-01 at 4.59.51 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546341157746-JDXOJRBJXWW99ACRGSLJ/Screen+Shot+2019-01-01+at+4.59.51+AM.png)
![Screen Shot 2018-12-29 at 6.40.32 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546130463089-A9PC6STLV5P5AW45DVF8/Screen+Shot+2018-12-29+at+6.40.32+PM.png)
![link to article](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1695912750823-98VAKG3DU1OVN8Z27MIA/article+re+mito+heat.jpg)
![Screen Shot 2018-12-29 at 6.45.49 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546130776879-SH8WN0AXV9O4A70F1ZP2/Screen+Shot+2018-12-29+at+6.45.49+PM.png)
![link to full article](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1675344441569-MNH7J5YNEIIRMJZ8JQ9T/Screenshot+2023-02-02+at+7.25.08+AM.png)
![Screen Shot 2018-12-29 at 6.45.31 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546130779921-UWN91TXI613DGK3YN0TV/Screen+Shot+2018-12-29+at+6.45.31+PM.png)
![Screen Shot 2018-12-29 at 6.56.55 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546131433451-6AB03RXWN2LGBLNLV59E/Screen+Shot+2018-12-29+at+6.56.55+PM.png)
![Screen Shot 2019-01-01 at 5.10.25 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546341045098-C1T5RYZ4UIRZT4CJ0LK5/Screen+Shot+2019-01-01+at+5.10.25+AM.png)
![Screen Shot 2019-01-01 at 5.02.36 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546341049268-393T78A2GDDZFI9562R7/Screen+Shot+2019-01-01+at+5.02.36+AM.png)
![Screen Shot 2019-01-06 at 4.15.20 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546813254382-AZKDHENM3R06CHDCOKOU/Screen+Shot+2019-01-06+at+4.15.20+PM.png)
![Screen Shot 2019-01-01 at 5.04.35 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546340921606-UXURVRHOPIJSPRU9UN8A/Screen+Shot+2019-01-01+at+5.04.35+AM.png)
![Screen Shot 2019-01-01 at 5.04.46 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546340924970-PKFEE67LU9XXQVZ18NMZ/Screen+Shot+2019-01-01+at+5.04.46+AM.png)
![Screen Shot 2019-01-06 at 6.15.07 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546820170303-PCSYD3JD8C7F6KO06DN2/Screen+Shot+2019-01-06+at+6.15.07+PM.png)
![Screen Shot 2018-12-31 at 5.04.44 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546254320268-QVUUQUIEKXWRIDHFG7YW/Screen+Shot+2018-12-31+at+5.04.44+AM.png)
![Screen Shot 2019-01-06 at 4.09.05 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546812705104-3SHNUNSHPR28D1FJUIRK/Screen+Shot+2019-01-06+at+4.09.05+PM.png)
![Screen Shot 2019-01-06 at 4.08.35 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546812719660-LC6NFEKUQBGCOW9JN7CO/Screen+Shot+2019-01-06+at+4.08.35+PM.png)
![Screen Shot 2019-01-06 at 6.15.27 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546820159761-4U8DQKECQ7L8NDL4E796/Screen+Shot+2019-01-06+at+6.15.27+PM.png)
![Screen Shot 2018-12-23 at 10.57.23 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1545584314235-GC6ATXBPJIVZTJWMLF9X/Screen+Shot+2018-12-23+at+10.57.23+AM.png)
![Screen Shot 2019-01-04 at 6.27.26 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546648229724-7WHQA9TNT4D08URD0QB3/Screen+Shot+2019-01-04+at+6.27.26+PM.png)
![Screen Shot 2019-01-04 at 6.28.32 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546648453280-SZUIFNYOOCSODE2446K7/Screen+Shot+2019-01-04+at+6.28.32+PM.png)
![Screen Shot 2019-01-04 at 6.26.02 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546648235284-94RM011IMJH2E3DTRBNW/Screen+Shot+2019-01-04+at+6.26.02+PM.png)
![Chromosome (24) mtDNA - Lynn Margulis and the mitochondrial DNA - 5 min. video reviewing significance of mtDNA](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1589964511360-EW2I9S6BYH8YRDGJDM4S/mitochondria+in+cell+-+pic.jpg)
![Screen Shot 2019-01-05 at 8.09.16 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546697453592-AYFEZFCGHYWVULYZ26GE/Screen+Shot+2019-01-05+at+8.09.16+AM.png)
![Screen Shot 2021-10-13 at 2.20.59 PM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1634153148305-TPUGIG0B2S8N5VX8OE5V/Screen+Shot+2021-10-13+at+2.20.59+PM.png)
![Screen Shot 2019-01-05 at 8.07.50 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546697458382-NUY0IF9VU7QIPRIPFNJH/Screen+Shot+2019-01-05+at+8.07.50+AM.png)
![Screen Shot 2019-01-05 at 8.08.32 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1546697457312-9YTHIVARZFUL1A9WHI12/Screen+Shot+2019-01-05+at+8.08.32+AM.png)
![link: archive.org](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1637752826311-ZYSL8UE7NJN9R8419YSG/Screen+Shot+2021-11-24+at+5.04.47+AM.png)
![Screen Shot 2021-11-24 at 5.07.06 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1637752834471-EXLRDVG2D3JMML284IG9/Screen+Shot+2021-11-24+at+5.07.06+AM.png)
![Screen Shot 2021-11-24 at 5.18.50 AM.png](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1637752839052-CCWOIMASA4QPBWBM2ZZE/Screen+Shot+2021-11-24+at+5.18.50+AM.png)
![link: archive.org](https://images.squarespace-cdn.com/content/v1/522b22f2e4b04879e6b51037/1637753070577-H8HGFSYX93ZQJ7RMZBOR/Screen+Shot+2021-11-24+at+5.22.03+AM.png)