A Tour of the Cell: Crash Course Biology #23

The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced. In this episode of Crash Course Biology, we’ll take a look at the difference between prokaryotic and eukaryotic cells, take a guided tour of the eukaryotic cell, and learn why most cells are small. We’ll explore the eukaryotic cell’s surprising beginnings through an endosymbiosis that occurred about 1.5 billion years ago.
Chapters:
Introduction to the Cell 00:00
Classical Cell Theory 2:12
Parts of a Cell 5:37
Endosymbiosis 9:11
Modern Cell Theory 10:41
Review & Credits 12:23
This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit BioInteractive.org/CrashCourse for more information.
Check out our Biology playlist here: • Biology
Watch this series in Spanish on our Crash Course en Español channel here: • Crash Course Biología Sources: docs.google.com/document/d/1G...
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[@Jeff-tt7wj]

Im incredibly high and this is insane

[@adamiusmaximus6852]

i have adhd and i can actually listen to this.

[@JarodM]

I like this guy's enthusiasm~👍

[@Squareboobs]

If teachers at school were like this…

[@mattg2106]

Fantastic presenter - we need to see more of you!! Fabulous job

[@1263903]

THE MITOCHONDRIA IS THE POWERHOUSE OF THE CELL!!

[@UnderstandingCode]

0:44 The possibility of life arising spontaneously from inorganic materials is a fundamental question in the study of the origin of life on Earth.
Abiogenesis suggests that life began with the gradual chemical evolution of non-living substances into living organisms. This process is thought to have occurred over a long period, starting with simple inorganic compounds and leading to complex organic molecules necessary for life.

[@naphyanaeem1037]

Just love your videos.
Keep uploading more lectures.

[@nyuh]

omg were finally getting to the cell !

[@RainerTheGamer]

so... when do i get my autographs?

[@andrewliberman7694]

Thanks!

[@monicareid8858]

Well done.
I love the word catawampus, too☀️

[@edo1497]

I thought Cell tried to destroy the planet? Then Gohan defeated cell! Basically I can kill Cell if I go SSJ2.

[@ninjak_jeamm]

BRO BE QUIET LMAO

[@Caterfree10]

I love the nerds here lmfao

[@adpirtle]

I always get Robert Hooke and Anton van Leeuwenhoek mixed up in my brain.

[@Davlavi]

Very informative thanks.🖖🙏

[@md.tahseenraza4791]

7:11
Sus AMONG US!!!

[@PrestonDLuffy]

Mitochondria are the powerhouse of the cell

[@raziasultana5222]

i didnt know there was a new crash course biology course!

[@farman362]

You remember me school days ❤ thanks brdr 😊

[@ssthapit]

I like the presenter's charima

[@Leotique]

I love Crash Course

[@zyrenfall]

That doesn't look like the cell I'm inside of right now.

[@mihaisimtion6925]

The mitocondria is the MVP of the cell😂

[@trekker02]

I love all of these videos, though one small correction: It's commonly believed that the proto-eukaryote cells were archaea, not bacteria. While I hate the term prokaryote, it's probably better to refer to it as a "prokaryote" over a bacterium for an intro-level deep dive since you already introduced the term. :)

[@Jett_man]

Wow nice

[@m.ehsaan.]

Amazing!

[@Sunkissedmel2002]

4:15 got me laughing hard 😂😂

[@user-ll6in9zp2w]

special persuasion to study

[@GyroTheZeppelin]

1:10

[@camilusbaraka-sl9kl]

What should I do, do you have another app? Or should I just relly on the videos you post on youtube only?

[@mozzarellapizza]

Lovely video! But what about our favourite organelle the Lipid Droplet? :o

[@thatomofolo452]

Hello 👋👋

[@joefarrow1599]

"Life doesn't erase spontaneously from inorganic materials"
Like, to my understanding it did in the first place?

[@Malphazar]

Apporparortus!!!

[@user-ds9vo9io1b]

0:29

[@nahshonromans6917]

Bro got that exaggerated swagger of a black teen cut 💀

[@ngophu3356]

the ribosome look a little bit sus

[@user-hp7jd9qv5m]

😍

[@bkbzgaming]

Love how he refers to eukaryopolis like Hank (Hank did it better)

[@mortimersnead5821]

An ostrich egg is a single cell.

[@CrabSensei]

First !
Thank you sm for these amazing lectures, these have helped a lot in my academics!
Can you pin me pls?

[@lofiycounts]

Early 😅

[@josiageorge3527]

bro ate

[@samwill7259]

Everything is made up of a lot of wiggly jelly blobs, jiggling against each other

[@animelovers4540]

why u`r not our teacher??? Huuuuuuuuuuuuhhh