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Cell Biology

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Biology: Cell Structure I Nucleus Medical Media

This animation by Nucleus shows you the function of plant and animal cells for middle school and high school biology, including organelles like the nucleus, nucleolus, DNA (chromosomes), ribosomes, mitochondria, etc. Also included are ATP molecules, cytoskeleton, cytoplasm, microtubules, proteins, chloroplasts, chlorophyll, cell walls, cell membrane, cilia, flagellae, etc.

Watch another version of this video, narrated by biology teacher Joanne Jezequel here:



#cell #nucleus #biology
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Watch other Nucleus Biology videos:
- Controlled Experiments:
- Independent vs. Dependent Variables:
- Active Transport:

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Learn more about the company that created this video:


This animation won a Platinum Best of Show Aurora Award in 2016.
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Cellular Biology, and Essential Component of Pathophysiology

As an introduction to understanding pathophysiology, Cellular Biology is a foundational concept. A good grasp of cellular biology helps healthcare providers to understand illness and treatment options.
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Cell Biology: Introduction – Genetics | Lecturio

This video “Cell Biology: Introduction” is part of the Lecturio course “Genetics” ► WATCH the complete course on

► LEARN ABOUT:
- Introduction: Launching Pad for Cell Biology
- Relative Size of Life
- Cell Forms Comparison
- Importance of Chemistry and Biology
- Atomic Structure
- Chemical Behavior
- Periodic Table for Biology
- Covalent Blood
- Ionic Bonds
- Hydrogen Bonds

► THE PROF:
Dr. Georgina Cornwall has taught a broad array of Biology courses at different U.S. universities, currently at the Colorado Mountain College in Aspen. Dr. Cornwall is an active promoter of hybrid teaching formats like online and interactive courses. Thus, she uses modern technology to engage her students in the diverse disciplines of biology – from Microbiology to Genetics.

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Homeostasis — Definition and Examples


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Cell Biology | Introduction to cell | Cells Structure | Biology | Science | Letstute

Hello Friends,
Checkout our Video on Cell Biology | Introduction to Cells | Cells Structure in Biology by Letstute.

In this online video lecture and tutorial on Cell Biology we will learn about cells and its shape, size and many other components of cell.

In this session we will learn about:
1) What is Cell
2) Discovery Of Cell
3) Unicellular organisms
4) Multi-cellular organisms
5) Organisms, Organs and Tissues
6) Invention of cell by Robert Hooke
7) Regeneration of cells
8) Components of cell

I hope you will enjoy this session on Cell Biology - Introduction To Cell on Let's tute.

Don't forget to Like, Comment and Share this video with your Friends..!!

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#letstute #cells #biology #science #introductiontocells #whatisacell #cellbiology #definecellbiology
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A Tour of the Cell

Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work together in a similar fashion.

Do you speak another language? Help me translate my videos:


Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound:
Creative Commons Atribution License

Eukaryopolis - The City of Animal Cells: Crash Course Biology #4

Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.

Crash Course Biology is now available on DVD!

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More info. on the structures described in this video linked to in the Google Document here:

Table of Contents time codes
1) Robert Hooke 1:59
2) Cilia/Flagella 2:52
3) Cell Membrane 3:32
4) Cytoplasm/Cytoskeleton/Centrosomes 3:58
5) Endoplasmic Reticulum 4:41
6) Ribosomes 5:45
7) Golgi Apparatus 6:00
8) Lysosomes 6:47
9) Nucleus 7:06
10) Mitochondria 9:14

TAGS: crashcourse, biology, animal cells, cell membrane, eukaryote, eukaryotic, organelle, organ, tissue, muscle, nerve, animalia, robert hooke, cilia, flagella, microtubules, cytoplasm, ctyoskeleton, centrosome, nucleus, nucleoplasm, nucleolus, endoplasmic reticulum, ribosome, amino acid, polypeptide, golgi apparatus, golgi, lysosomes, DNA, chromatin, rRNA, mRNA, mitochondria Support CrashCourse on Patreon:

Cell Biology

With amazing tools that peer deep into cells, cell biologists are beginning to understand the structure, function and history of these highly organized, complex, chemical factories that are the building blocks of life. Voyage into the microscopic world of prokaryotic, eukaryotic cells, chloroplasts, and mitochondria. 17 minutes, color.

direct link to purchase video:

Cell Biology | Cell Cycle: Interphase & Mitosis

Ninja Nerds,

In this lecture, Zach Murphy, PA-C will present on the cell cycle: interphase and mitosis. We hope you enjoy this lecture and be sure to check out all of our social media pages and ways to donate below!

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Biology - Intro to Cell Structure - Quick Review!

This biology video tutorial provides a basic introduction into cell structure. It also discusses the functions of organelles such as the nucleus, ribosomes, mitochondria, chloroplasts, etc.

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Here is a list of topics:
1. Introduction to the cell
2. The nucleus - the cell's command center
3. The Nucleolus - production of ribosomes
4. Chromatin & DNA
5. Smooth ER vs Rough ER
6. Lysosomes & Intracellular Digestion
7. The Golgi Body
8. The Mitochondria - Cellular Respiration & ATP
9. The cytoplasm
10. The Cytoskeleton
11. Microtubules, Microfilaments, & Intermediate Filaments
12. Centrioles
13. Cilia & Flagella
14. Animal Cells and Plant Cells
15. Vacuoles - a storage organelle
16. The Chloroplasts - Photosynthesis
17. The Cell Wall of a Plant
18. The Cell Membrane & Selective Permeability

#biology #cell structure

What are cells | Cells | Biology | FuseSchool

So cells come in all shapes and forms and have all sorts of jobs, but they are all fundamental building blocks of all living organisms.

Watch this video to find what they are how amazing they work

CREDITS
Animation & Design: Bing Rijper
Narration: Dale Bennett
Script: William Haines

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This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY-NC. You are allowed to download the video for nonprofit, educational use. If you would like to modify the video, please contact us: info@fuseschool.org
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Cell Biology | DNA Structure & Organization ????

Ninja Nerds,

In this lecture, Zach Murphy, PA-C will present on DNA structure and organization. We hope you enjoy this lecture and be sure to check out all of our social media pages and ways to donate below!

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Introduction to Cells: The Grand Cell Tour

Compares and contrasts prokaryote cells and eukaryote cells before exploring organelle structures and functions! Video includes the modern cell theory and plant vs. animal cell comparisons. See table of contents by expanding video details. ????
Video has a handout:

Contents of Major Points in Video:
Intro 00:00
Cell Theory: 1:10
Prokaryotes and Eukaryotes 1:55
Tour Inside Cell Explaining Organelles and Structures 3:11
Plant Cells vs. Animal Cells 7:11
Pathway of Protein Out of Cell 8:15
*As mentioned in video, the structures and organelles mentioned in the video have more functions than able to fit in this short video. We highly encourage you to explore these to discover more! Cell organelles and structures discussed include the cytoplasm, golgi, endoplasmic reticulum, ribosomes, cell membrane, cell wall, vacuoles, mitochondria, and chloroplasts.

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:

REFERENCE:
We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

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TRANSLATIONS:

Thank you so much to our subtitle translators!
Korean Translation by Seoin Woo

While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.

Introduction to the cell | Cells | High school biology | Khan Academy

Introduction to the cell.

View more lessons or practice this subject at

Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today!

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Cell Biology | Cell Cycle Regulation

Ninja Nerds,

In this lecture, Zach Murphy, PA-C will present on cell cycle regulation. We hope you enjoy this lecture and be sure to check out all of our social media pages and ways to donate below!

Join this channel to get access to perks:


Support us by purchasing apparel and donating to our Patreon account!

--Become a Patron of ours and receive the final, high resolution photo of the lecture!

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In Da Club - Membranes & Transport: Crash Course Biology #5

Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane.

Crash Course Biology is now available on DVD!

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Concert music used with permission from Chameleon Circuit.
This video uses sounds from Freesound.org: a list of these sounds can be found in the Google document here, along with the citations for this video:

Table of Contents time codes:
1) Passive Transport - 1:17
2) Diffusion - 1:25
3) Osmosis - 2:12
4) Channel Proteins- 4:37
5) Active Transport - 4:58
6) ATP - 5:37
7) Transport Proteins - 6:19
8) Biolography - 6:37
9) Vesicular Transport - 9:02
10) Exocytosis - 9:21
11) Endocytosis - 9:50
12) Phagocytosis - 9:57
13) Pinocytosis - 10:29
14) Receptor-Mediated Endocytosis - 10:48

TAGS: crashcourse, hank green, biology, chemistry, cell, cell membrane, selective permeability, selectively permeable, active transport, passive transport, solution, concentration, concentration gradient, atp, adenosine tri-phosphate, jens christian skou, vesicular transport, phagocytosis, endocytosis Support CrashCourse on Patreon:
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DNA Structure | Adenine | Thymine | Cytosine | Guanine | Cell Biology

#DNA #DNAstructure #Deoxyribonucleicacacid #Nucleotides
#Thymine #Adenine #Cytosine #Guanine #CellBiology #ApBiology

DNA Structure and Function. (DNA) is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid (RNA) are nucleic acids. Alongside proteins, lipids and complex carbohydrates (polysaccharides), nucleic acids are one of the four major types of macromolecules that are essential for all known forms of life.

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The two DNA strands are known as polynucleotides as they are composed of simpler monomeric units called nucleotides. Each nucleotide is composed of one of four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A] or thymine [T]), a sugar called deoxyribose, and a phosphate group. The nucleotides are joined to one another in a chain by covalent bonds (known as the phospho-diester linkage) between the sugar of one nucleotide and the phosphate of the next, resulting in an alternating sugar-phosphate backbone. The nitrogenous bases of the two separate polynucleotide strands are bound together, according to base pairing rules (A with T and C with G), with hydrogen bonds to make double-stranded DNA. The complementary nitrogenous bases are divided into two groups, pyrimidines and purines. In DNA, the pyrimidines are thymine and cytosine; the purines are adenine and guanine.

Both strands of double-stranded DNA store the same biological information. This information is replicated as and when the two strands separate. A large part of DNA (more than 98% for humans) is non-coding, meaning that these sections do not serve as patterns for protein sequences. The two strands of DNA run in opposite directions to each other and are thus antiparallel. Attached to each sugar is one of four types of nucleobases (informally, bases). It is the sequence of these four nucleobases along the backbone that encodes genetic information. RNA strands are created using DNA strands as a template in a process called transcription, where DNA bases are exchanged for their corresponding bases except in the case of thymine (T), for which RNA substitutes uracil (U). Under the genetic code, these RNA strands specify the sequence of amino acids within proteins in a process called translation.

Within eukaryotic cells, DNA is organized into long structures called chromosomes. Before typical cell division, these chromosomes are duplicated in the process of DNA replication, providing a complete set of chromosomes for each daughter cell. Eukaryotic organisms (animals, plants, fungi and protists) store most of their DNA inside the cell nucleus as nuclear DNA, and some in the mitochondria as mitochondrial DNA or in chloroplasts as chloroplast DNA. In contrast, prokaryotes (bacteria and archaea) store their DNA only in the cytoplasm, in circular chromosomes. Within eukaryotic chromosomes, chromatin proteins, such as histones, compact and organize DNA. These compacting structures guide the interactions between DNA and other proteins, helping control which parts of the DNA are transcribed.

Inside the Cell Membrane

Explore the parts of the cell membrane with The Amoeba Sisters! Video discusses phospholipid bilayer, cholesterol, peripheral proteins, integral proteins, glycoproteins, and glycolipids - as well as why the surface area to volume ratio is so important in cells. Expand for table of contents.

Contents:
00:00 Intro
1:25 Membrane controls what goes in and out of cell
1:40 Importance of surface area to volume ratio
3:31 Cell Theory
4:00 Fluid Mosaic Model
4:28 Phospholipid and phospholipid bilayer
5:58 Cholesterol
6:23 Proteins (peripheral and integral)
7:43 Glycoproteins and glycolipids (carbohydrates bound to proteins and lipids)

Additional Vocabulary:
-Amphiphilic
-Hydrophilic
-Hydrophobic

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:


We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

Support Us?

Our Resources:
Biology Playlist:
GIFs:
Handouts:
Comics:
Unlectured Series:

Connect with us!
Website:
Twitter:
Facebook:
Tumblr:
Pinterest:
Instagram:

Visit our Redbubble store at

TIPS FOR VIEWING EDU YOUTUBE VIDEOS:
Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc?

MUSIC:
Music in this video is listed free to use/no attribution required from the YouTube audio library

COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

TRANSLATIONS:
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.

Cell theory | Structure of a cell | Biology | Khan Academy

Introduction to cell theory--the idea that 1) all living things are made of one or more cells, 2) cells are the basic unit of life and 3) all cells come from other cells. Explore the roles that Hooke, Leeuwenhoek and others played in developing cell theory.

Watch the next lesson:

Missed the previous lesson?

Biology on Khan Academy: Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first-year college biology course.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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Cell Biology | Passive & Active Transport | Endocytosis & Exocytosis

Ninja Nerds,

In this lecture, Zach Murphy, PA-C will present on membrane transport mechanisms. These will include the normal physiology of simple diffusion, facilitated diffusion, primary active transport, secondary active transport, pinocytosis, phagocytosis, receptor mediated endocytosis, and exocytosis! We hope you enjoy this lecture and be sure to check out all of our social media pages and ways to donate below!

Table of Contents:


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Support us by purchasing apparel and donating to our Patreon!

--Become a Patron of ours and receive the final, high resolution photo of the lecture!

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GCSE Biology - Cell Types and Cell Structure #1

In this video, we cover:
- The different types of cell (Eukaryotic and Prokaryotic)
- The differences and similarities between the structures of plant, animal, and bacterial cells
- The sub-cellular structures / organelles you need to know

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