⁣An antonym is a word that means the opposite of another word. For example, hot and cold are antonyms, as are good and bad.

⁣Sound waves enter the outer ear and travel through a narrow p****ageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes.

#TypesOfWaterPollution

This video is part of a playlist having the following videos. Watch all of them in sequence for a better learning experience.
Enjoy learning :)

Video no.1 Sources of Water Pollution
https://youtu.be/BaEp9aoKK1Y

Video no.2 Causes of Water Pollution
https://youtu.be/9i0ahRPWwmI

Video no.3 Water Pollution - Its Effects and Preventions
https://youtu.be/h73DE33BrQ0

Video no.4 Our Atmosphere and its Pollutants
https://youtu.be/1klv5CoZQdk

Video no.5 Air pollution – Its Effects, Causes, and Prevention
https://youtu.be/kPbpTRXB_H0

Video no.6 Biodegradable and Non-Biodegradable Waste
https://youtu.be/aTflLRf7WS4

Video no.7 Conserving our Environment
https://youtu.be/-HE8HnoXbBs

Topics covered
• Water pollution
• Sources of water
• Point source pollution
• Non-point source pollution

I hope you liked our video.
Kids should spend time watching informative videos and expand their knowledge day by day.
Kids retain what they see in audio-visual lessons so make them watch informative videos rather than cramming things.

If you want to learn any topic, please free to write to us, we will upload the video to help you out as soon as possible.
We can also create a customized u tube playlist for the topics you want to learn.
Your feedback is important to us.

Stay connected with us:
tutwayhelpdesk@gmail.com
YouTube: https://www.youtube.com/channe....l/UCL-KeqwBmYvEBpAiU
Facebook: https://www.facebook.com/tutway/
https://www.tutway.com/
About us:
Welcome to Tutway.
A unique platform where learning is fun.
Now there is no distinction between kids’ fun time and study time.
At Tutway, we believe in a very simple idea that audio-visual learning is the most effective tool for grasping knowledge. Many researchers have proven that kids learn a lot by playing interactive games and watching audio-visual animated lessons as compared to reading from books.

That's when Tutway comes to the rescue.
Tutway is a supplementary education program where kids can learn at their own pace. The students can watch animated videos that are so meticulously made that they can understand even the most complex concepts very easily. There is a question bank at the end of each video where students can answer those questions multiple times and test whether they have grasped knowledge completely or not.
We have information systems embedded in the program where parents can monitor real-time performance of their kids and get up to date information about their performance, including quizzes attempted and the marks got in each quiz, both in tabular and graphical formats. Regular reports are e-mailed to the parents so that the parents can analyze their kids’ performance.
If we want to learn high-level concepts, we should have a clear understanding of the basic concepts. For instance, if kids don't know about addition and subtraction, they cannot do multiplication, and if they don't know about multiplication, they cannot do division, and if they don't have knowledge of these four basic operations, Algebra cannot be done by them, and it goes on and on.
The same applies to the English language if kids don't have sound knowledge of grammar and vocabulary; it becomes extremely difficult for them to have their communication skills.
Knowledge of the scientific concepts is also required for observing physical, chemical, biological phenomena happening all around us.
That is why; Tutway has thousands of animated videos on Maths, English, and Science to clear the basics of these subjects. It perfectly suits most of the educational needs of most of the students, regardless of their learning abilities.
So hurry up, download the Tutway app and book a free demo cl**** to make education interactive and fun experience.

In this basic accounting lesson, we explain what the Cash Receipts Journal (CRJ) is, and what it is used for. We also go through the Cash Receipts Journal (CRJ) format and go through examples of completing the Cash Receipts Journal (CRJ).

Cash Payments Journal (CPJ) | Explained with Examples: https://youtu.be/WsbJ5LFt5rg

Accounting Equation | Explained with Examples | Accounting Basics: https://youtu.be/uYIc3QRdXr8

Accounting Equation | with Debits and Credits | Explained with Examples Lesson 2: https://youtu.be/tjBNhiV3Pos

How to easily Remember DEBITS and CREDITS | Simple Tip | Accounting Basics: https://youtu.be/_AKoCgOlTcw

Debit and Credit Explained | Accounting Basics: https://youtu.be/qBTpJSiAJBw

General Journal Explained With Examples | Accounting Basics: https://youtu.be/DjONzUPnhkM

Depreciation & Accumulated Depreciation Explained: https://youtu.be/oBfFP_nFxsM

Check out other straightforward examples on our channel.

We also offer one-on-one tutorials at reasonable rates.

Connect with us:
Email: info@counttuts.com
Our Website: https://Counttuts.com
Our Facebook Page: https://www.facebook.com/Counttuts
Support our Efforts: paypal.me/counttuts

SPONSOR ME ON PATREON: http://patreon.com/acapellascience
POSTER: http://store.dftba.com/product....s/bohemian-gravity-p
SUBSCRIBE: https://www.youtube.com/user/a....capellascience?sub_c
MP3: https://timblais.bandcamp.com/....track/crispr-cas9-br

---END SCREEN LINKS---

"MAKING OF" PRODUCTION TUTORIAL: https://www.youtube.com/watch?v=KcehlTQs1og
CRISPR PLAYLIST: https://www.youtube.com/watch?v=jAhjPd4uNFY&list=PLboc_P9zcJhjXdwmsdo6_Z5c1lXbRI2GF&index=1
JOE HANSON: https://www.youtube.com/watch?v=VTUCTT6I1TU
TOM ZALATNAI: https://www.youtube.com/watch?v=Osiql2-TwH4

SUBSCRIBE to A Capella Science on YouTube: https://www.youtube.com/user/acapellascience

SUPPORT A CAPELLA SCIENCE ON PATREON: http://patreon.com/acapellascience

-----SOCIAL MEDIA-----

FACEBOOK: http://facebook.com/acapellascience
TWITTER: http://twitter.com/acapellascience
INSTAGRAM: http://instagram.com/acapellascience

-----LYRICS-----

READ LYRICS HERE: https://timblais.bandcamp.com/....track/crispr-cas9-br

3D ANIMATIONS COURTESY OF THE MCGOVERN INSTITUTE FOR BRAIN RESEARCH AT MIT.

-----THANKS TO ALL MY PATREON SUPPORTERS-----

Bruce Mount, Donal Botkin, Aaron Kannan Warnongbri, The Schalick Family, Grant McCracken, Yonatan Zunger, Tiberus Quadson, Alex Karantza, Jeff Shaevel, David Fry, Elliott Sumers, Alexander Buchanan, Daniel Browning, David Strong, C. Carnes,, Gabriel Nichols, Mark A Laffoon, Michael Mendonca, William Sikkema, Britton Park, Syd Hackworth, Nathan Williams, Steve Condas, iain, Will Handy, Rebecca Rickly, Álvaro Arias, Patrick Walling-Laperriere, Patrick Dennis, CW Robertson Jr., Sub Comediante, Henry Wu, Cynthia Shafer, Marco Biagini, Jonathan Zucker, Mark Abbott, Sam Dick, Carl-Johan R. NordangÃ¥rd, Jennifer Hoffman, Pablo Soares, Tara Morrigan, Joe Charrier, Marshall Fox, Ben Horkley, Hanan Herzig Sheinfux, Marc Nantel, Wolfgang Mehl, Gordon, Joshua D Hallfrisch, Walter Tross, Monica Barsever, Rachael Haensly, David Durant, Lacey Waymire, Bart Pastoor, Kristy, Jill Krippel, Escobar Archieve, Taekiro, Douglas Szper, Torsten Hvidt, Veritasium, Amanda Roselle, ben guthrie, Doug Lippincott, David Gauthier, Kristen Berg, Marko Čibej, Steve Ruis, Branimir, John Kraemer, Ahliana Byrd, Braxton Thomason, Andrew Hoddinott, William Pietri, Emily, bryan salas, FinalLancer, Marisa Cohen, Bryant Adams, Maggi Rohde, Jeppe Kusk, Phillip Broussard, John Ouellette, D Turner, Anastasia Sares, Quantum Cat, Marcus Näslund, Richard W Evert, Matthew Pounsett, Brandon C., Jill Murphy, BettyLou Hooke, DigitalCosmos, Ocean & Lunea McIntyre, Ruth Perry, Tybie Fitzhugh, Mark Rose, Eric Nickell, Nathan Stitt, Marco McCain, David Perruchoud, Tina Johnston, Marshall Gatten, Helen Guy, Xin Ye, Brenna, Philip Freeman, Bart Alewijnse, Migael Strydom, Kevin Brewster, Liz Argall, Antha Auciello, Maggie Seider, Tomohiko Tanabe, Matthew Wright, Katherine Malloy, Jonas Granvik, AGB, Pedro Paiva, Jussi Hölttä, Jacqueline Catalano, Carol Wang, Laura Kinnel, M. Sean Molley, Amir Livne Bar-on, Nicholas Ting, Raymond Arnold, Evan Detzler, DH, RJ Merck, Orestes Kyriakos Poulakis, Wendy Christopher, Kenny, Richard Haven, Michael, Benjamin Altpeter, Fran Poodry, Ryan King, Mike Brixius, Myllena Tofeko, Jeff Huffman, Cristin Anne, Kelvin Dueck, Danielle Williams, Irene López Gutiérrez, Joseph Davenport, Alexandre Orthey, Jaco Dippenaar, Jesse Rifkin, Lee Busch, Don Fleuren, SoikerNahmu, Danny Ben-David, Jeramy Johnson, Ashford Privette, Ted Pettus, rodney elin, Kamila Součková, Andrew Furer, Maria Bargués Ribera, Tim Marshall, Eric, Erin Penn, Sacha, Jennifer Szlasa, Caz Hosier, Jeremy Waters, Hanna Anderberg, Raluca Pantilie, Bethan Griffiths, Pete R, Sébastien Auget, Michael Borland, Evan Hughes, William Gentry, Kevin Turner, John Hart, Heather Brooks, Tobychev, Eric Van Oeveren, Kathleen Booth, Paul Nicholls, dave sanderson, Pastafarian Woman, James, Remy Goldschmidt, John Campbell, Nan Zingrone, johann beda, Joyce Brown, Evelyn, Nate Tompkins, Thomas R Jackson, Erisa Isak, StarTalk Radio, Bruce Rawitch, Jamie Furtner, Neal McBurnett, FYFD, Moshe Gelberman, Jonathan Feinberg, Will, Val Delane, Caelan Ritter, Mike Clarke, Amanda Caldwell, Hugo The Poet, Shahin, Axyz Grid, Antoine Deleforge, Mike Matessa, Len Dvorkin, Henning Krause, Aleksi, Thomas Wiecki, Lois, Andrew Mitchell, Marie Gravelle, Susan Wilson, Don Klabunde, Douglas Sweetser, Leif D. Hille, Laura König, Jeremiah Grant, Clay, Steven Veeneman, Nicole Sidebottom, Joe Mako, Teresa, Walter Stickle, NICK PRITZKER, David Barry, Brian Garvey, David Kelly, Amanda Peet, Rolf Timp, Vik, sarah latimer, Zhiqi Qiu, Clifford Sherman, Yonatan Bisk, Aryeh Baruch, Elizabeth Greenman, jason black, Louis Zampini

This dynamic music video describes how the Calvin cycle, also called the light-independent reactions, uses carbon dioxide from the air, enzymes, and ATP and NADPH from the light reactions to produce the three carbon sugar G3P, the building block of glucose. The three phases of the Calvin cycle: Carbon Fixation, PGA Reduction, and the Regeneration of RuBP are described in rhyme. Keywords are spelled out to reinforce science terminology. Suitable for high school and higher ed students.

Thank you for watching our video. If you enjoyed today's video please subscribe to our channel and like, share, and leave a comment below.

YouTube channel: www.youtube.com/BiologyMusicVideos_educational

For more information please visit our website:
www.biologymusicvideos.com

Like us on Facebook
www.facebook.com/biologeerap

President Bill Clinton answers the question "What is the most important thing you have learned?" at the Global Education and Skills Forum 2014.

Transcript -- I think the most important thing that I have learned is that there's more to learn. That we should -- that we should all be hungry for a lifetime. I mean, for example, at my next birthday I'll be 68. All the great scientific discoveries made by all the great geniuses were largely made when they were in their 20s and 30s. And yet I became, about two years ago, obsessed with particle physics and I was determined to understand it before I died. I could not have done that if I hadn't learned to read when I was young. If I hadn't had the opportunity to study science courses in my high school, and I lived in the second poorest state in the United States, which most people my age in my state did not have. I happened to go to a bigger high school with people who understood we had to get good science and math teachers there.

And if I hadn't gone to, in my case, Georgetown University, which was a Jesuit University, and I hadn't been subject to the kind of rigors that the Jesuits imposed which made me realize that however much I thought I knew and however smart I was I didn't know very much and I wasn't very smart. I had a lot to learn. So that's the most important thing I learned that your brain is a gift. And we now know that people well into their late 60s and 70s can form new neural networks. So that even though your brain begins to shrink in your 30s, and does throughout your life, since none of us ever use even close to half of our brainpower we got a lot left and we will on our last day on earth we'll have a lot left.

So, the idea that we now know, as a scientific measure because of all the brain scanning technology that we can form these networks and that we form them best, we're most likely to form new neural networks later in life by learning something new. So if -- I said I was interested in particle physics and also in astrophysics and I'm trying to figure out what it means that we've located 20 planets outside our solar system in the last five years that seem to have enough density and be far enough away from their sons that they might be able to support life. That may be the answer to the Russia Ukraine problem; an attack from outer space will immediately unite us all.

Members of Congress in the U.S. will immediately start hugging each other and singing Kumbaya. But anyway, I can form new neural networks doing that because I don't know anything about it, or I didn't when I started. A theoretical physicist would do better going to Suzuki piano lessons with his grandchild or her grandchild and just playing if you knew nothing about music. But this is an incredible thing that the most important thing I learned is that it's important to keep on learning. That you should stay hungry and that the greatest gift can be even as your body begins to fail if your minds still working you need to use it.

Produced by Jonathan Fowler

A real cl****room Biology lesson on the topic of Photosynthesis. British Private Schooling in a Real TV Studio. Part of the SmartLearn Private School at Home series.

⁣A verb fills the role of the predicate in a sentence and expresses physical action, mental action, or a state of being. An adverb is a modifier that provides more information about a verb, adjective, clause, or other adverb. Adverbs can act as conjunctions or describe frequency, time, place, manner, or quality.

⁣The key difference between regular and irregular nouns is that regular nouns are nouns that can be converted into their plural form by simply adding “-s” and “-es” to their end, whereas irregular nouns are nouns that do not follow a standard rule in converting plurals.

All credits listed at the end of video

⁣There are four types of sentences: simple, compound, complex, and compound-complex. Each sentence is defined by the use of independent and dependent clauses, conjunctions, and subordinators.

⁣A pronoun is nothing but a word that is used as a replacement or as a substitute for the noun or the noun phrase in a sentence. A conjunction in simple terms is a word that connects two or more sentences into a single sentence.

⁣These eight phases are, in order, new Moon, waxing crescent, first quarter, waxing gibbous, full Moon, waning gibbous, third quarter and waning crescent. The cycle repeats once a month (every 29.5 days).

#WaterPollution

This video is part of a playlist having the following videos. Watch all of them in sequence for a better learning experience.
Enjoy learning :)

Video no.1 Sources of Water Pollution
https://youtu.be/BaEp9aoKK1Y

Video no.2 Causes of Water Pollution
https://youtu.be/9i0ahRPWwmI

Video no.3 Water Pollution - Its Effects and Preventions
https://youtu.be/h73DE33BrQ0

Video no.4 Our Atmosphere and its Pollutants
https://youtu.be/1klv5CoZQdk

Video no.5 Air pollution – Its Effects, Causes, and Prevention
https://youtu.be/kPbpTRXB_H0

Video no.6 Biodegradable and Non-Biodegradable Waste
https://youtu.be/aTflLRf7WS4

Video no.7 Conserving our Environment
https://youtu.be/-HE8HnoXbBs

Topics covered:
• Water pollution
• Preventing water pollution
• Effects of water pollution
• Steps to prevent water pollution

Hope you liked our video.
Kids should spend time watching informative videos and expand their knowledge day by day.
Kids retain what they see in audio-visual lessons so make them watch informative videos rather than cramming things.

If you want to learn any topic, please free to write to us, we will upload the video to help you out as soon as possible.
We can also create a customized u tube playlist for the topics you want to learn.
Your feedback is important to us.

Stay connected with us:
tutwayhelpdesk@gmail.com
YouTube: https://www.youtube.com/channe....l/UCL-KeqwBmYvEBpAiU
Facebook: https://www.facebook.com/tutway/
https://www.tutway.com/
About us:
Welcome to Tutway.
A unique platform where learning is fun.
Now there is no distinction between kids’ fun time and study time.
At Tutway, we believe in a very simple idea that audio-visual learning is the most effective tool for grasping knowledge. Many researchers have proven that kids learn a lot by playing interactive games and watching audio-visual animated lessons as compared to reading from books.

That's when Tutway comes to the rescue.
Tutway is a supplementary education program where kids can learn at their own pace. The students can watch animated videos which are so meticulously made that they can understand even the most complex concepts very easily. There is a question bank at the end of each video where students can answer those questions multiple times and test whether they have grasped knowledge completely or not.
We have information systems embedded in the program where parents can monitor real-time performance of their kids and get up to date information about their performance, including quizzes attempted and the marks got in each quiz, both in tabular and graphical formats. Regular reports are e-mailed to the parents so that the parents can analyze their kids’ performance.
If we want to learn high-level concepts, we should have a clear understanding of the basic concepts. For instance, if kids don't know about addition and subtraction, they cannot do multiplication, and if they don't know about multiplication, they cannot do division, and if they don't have knowledge of these four basic operations, Algebra cannot be done by them, and it goes on and on.
Same applies to the English language if kids don't have sound knowledge of grammar and vocabulary; it becomes extremely difficult for them to have their communication skills.
Knowledge of the scientific concepts is also required for observing physical, chemical, biological phenomena happening all around us.
That is why; Tutway has thousands of animated videos on Maths, English, and Science to clear the basics of these subjects. It perfectly suits most of the educational needs of most of the students, regardless of their learning abilities.
So hurry up, download the Tutway app and book a free-demo cl**** to make education interactive and fun experience.

⁣Grade 8 English

This HD dramatic video choreographed to powerful music introduces the viewer/student to the Science of Chemistry. It is designed as a motivational "trailer" to be shown by teachers in Chemistry, Biology and Physical Science cl****rooms in middle school, high school and college as a visual Introduction to the wonders of atoms and matter. See more of my videos at my channel: http://www.youtube.com/user/sfgregs?feature=mhum.

Subscribe to my channel for other video trailers in Biology, Chemistry, Earth Science, Physics and Astronomy. I will be releasing new ones periodically.


Please rate this video and feel free to comment. If you like it, please help me spread the word by posting links to it on your social media websites. The more students who can enjoy these dramatic videos, the better!

I wish to thank all the quality video and music producers whose postings enabled me to ****emble this video for educational use. I particularly want to thank the C****iopeia Project for their excellent visuals, and to teacher Shanna Collins for the inspiration to make the video.

Music is a mix of four pieces.

To best enjoy this video, view on a big screen and turn up your speakers. The music is powerful and dramatic!

I can customize this video to add your name or school name at the end credits, for a very modest fee. If interested, email me at "fsgregs@comcast.net".

Until recently, you were able to download my videos for free from my other video storage site (vimeo.com). Recently, however, they began charging a significant membership fee to enable that feature, so downloading from there is no longer available. However, you can search for and obtain free download addons for your browser that will allow you to download my videos from either YouTube or Vimeo.

This video covers:
- The difference between scalar and vector quantities
- Why speed is scalar, but velocity is a vector
- The difference between distance and displacement
- How to calculate speed and velocity
- Common speeds you need to remember

General info:
- Suitable for all GCSE and IGCSE courses
- Suitable for higher and foundation tiers
- Suitable for triple and combined science

Exam board specific info:
AQA - Everything is relevant to your course!
IGCSE Edexcel - Everything is relevant to your course!
Edexcel - Everything is relevant to your course!
OCR 21st Century - Everything is relevant to your course!
OCR Gateway - Everything is relevant to your course!

GCSE Chemistry playlist:
https://www.youtube.com/watch?v=fN8kH9Vvqo0&list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W

GCSE Biology Playlist:
https://www.youtube.com/watch?v=--dIBinUdeU&list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g

GCSE Physics Playlist:
https://www.youtube.com/watch?v=aHVJfRxeAxo&list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7

⁣Grade 10 English

🔥 Ace your biology cl****! Start your free trial to the world’s best AP Biology curriculum at https://learn-biology.com

➡️ Studying for a test? Download Mr. W's Ultimate Biology checklist and crush it on you next biology test! https://apbiosuccess.com/checklist

🎵 Do you want to sing along? Download Mr. W's Sciencemusicvideos Songbook https://apbiosuccess.com/songbook

SUMMARY: This video teaches about the process of mitosis. Mitosis is a process of cell division where a single cell divides to produce two genetically identical daughter cells, each with the same number of chromosomes as the parent cell. It consists of several stages—prophase, metaphase, anaphase, and telophase—followed by cytokinesis, ensuring equal distribution of chromosomes to each new cell.

====================
📝Read below to see how you can benefit by using learn-biology.com📝
====================
⭐️ TEACHERS: Start with a free-trial account that gives your students access to interactive tutorials and allows you to monitor student work: https://learn-biology.com/ap-bio-teacher/
⭐️ PARENTS: A guaranteed 4 or 5 for your son or daughter on the AP Bio Exam: https://learn-biology.com/parents/
⭐️ PROFESSORS: Help your students master the most complex topics in biology. Sign for a free trial at: https://learn-biology.com/college-biology-success/

====================
📝Learn more about Biomania, the app that puts AP Bio success in your pocket.📝
====================
🔥 BIOMANIA: THE BEST AP BIO PREPARATION APP: https://learn-biology.com/app/

LYRICS
Interphase is cell division's longest part,
nuclear membrane's intact as it starts,
The cell's growing, cytoplasm flowing,
chromosomes get duplicated, DNA gets replicated

Chromosomes are spread out so they can't be seen distinctly
But note the nucleolus, the ribosome factory
Outside the nucleus are two centrosomes,
They later make a spindle which will pull apart the chromosomes.

Prophase follows, the chromosomes condense,
Each is made of two sister chromatids, (looks) like an "X"
Each sister is a clone, the closest of kin,
And a centromere connects them like siamese twins,

The nucleolus disappears it melts away,
as the cell takes a ribosome production holiday,
the centrosomes separate, start spindle formation
for separating chromatids and cell elongation.

CHORUS
Mitosis, chromosomal ride
Inter-, pro-, meta-, ana-, telophase, divide
Eukaryotes go from one cell to two,
Mitosis, how cells renew.

In late prophase --prometaphase,
The nuclear membrane disintegrates,
The centrosomes migrate to the cell's opposing sides,
And between them the fibers of the spindle wend and wind,

The spindle's made of microtubule fibers which attach
to chromosomes at kinetochores, a protein patch
that serves like a handle that the fibers can grasp,
When they pull apart the chromosomes, splitting them in half,

The spindle moves the chromosomes with nudges so fine,
Into linear formation on the 50 yard line
A location equatorial defining metaphase,
where the chromosomes are lined up on that middle place

CHORUS

The spindle fibers pull on the kinetochores,
A cellular molecular mitotic tug of war,
The centromere snaps, sisters get separated,
Now these chromatids are chromosomes, they've been upgraded

This snapping separation defines anaphase
The "A" for "apartness", for moving different ways,
Kinetochore spindle fibers separate the sisters
See 'em waving goodbye, calling out "I'm gonna miss ya,"

And the other spindle fibers push and grapple like felons
Makes the cell elliptical like a watermelon,
In telophase membranes form 'round the chromosomes
Which spread out as the nucleoli come on home

CHORUS

In animal cells there's a ring of micofilaments
that form at the equator and they cinch themselves in
Tighter, tighter, tighter, tighter 'til the cell is in two pieces,
Yeah in animals, that's cytokinesis

But it's different in plants in them the cell divides
By building a new cell wall from the inside
As the Golgi sends vesicles with cellulosic goo,
Which makes a plate, then a wall, divides the cell in two

And instead of one mother cell we now have daughters two
Identical twins, kind of old but kind of new,
From your single celled beginning this is how you grew
And for single celled eukaryotes it's reproductive too!

Major image credits (complete image credits available upon request)
1. The video of cell division shown during the chorus is by John Daum and Gary Gorbsky, Oklahoma Medical Research Foundation.
2. The image of the mitotic spindle at metaphase and the image of anaphase is from https://wikispaces.psu.edu/display/23.... It is used by permission of the Department of Biology at Penn State University.