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ISN 55

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ISN 52 & 53

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ISN 62-63

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At the Mihama Veterinary Clinic in Fukui, Japan, researcher Yusaku Watanabe carefully followed the procedures outlined in the research paper A Novel Shell-less Culture System for Chick Embryos Using a Plastic Film as Culture Vessels to observe fertilized egg embryo development without an egg. Would a chick 'hatch' at the end of the standard 21-day incubation period?

The resulting 2017 video above, Observation of the Development of Chick Embryo, shows how Wantanabe fostered a fertilized egg into a fully-developed chick, a feat that, based on the paper, may only happen 57.1% of the time. That's 8 out of 14 live chicks. As Science Alert notes, this kind of incubation technique could aid in endangered bird conservation: "Not only could it allow researchers to save chicks when their eggs have been damaged, it could also lead to new options for bird IVF, or even growing vulnerable species inside surrogate eggs." And from Daily Dot:

It's a bit more complicated than dumping shell contents into plastic wrap and putting them in the incubator. The approach requires buying fertilized eggs from the store, incubating them in the shell for a few days, and then carefully and quickly transferring them to the cup, all using flawless sterile techniques.

You also have to carefully monitor the amount of oxygen, humidity, and calcium in the whole system to make sure the chicks are healthy and happy when they catch. Natural egg shells are permeable to oxygen and carbon dioxide, which is what lets the chick embryo breathe during incubation. So the plastic wrap must also be made permeable to these gases-usually by making a small hole at the top of the bag.

And from the research paper by Yutaka Tahara and Katsuya Obara:

To date, studies of culture methods for bird embryos include the whole embryo culture using narrow windowed eggshells, surrogate eggshells, and an artificial vessel using a gas-permeable membrane. However, there are no reports achieving high hatchability of >50% using completely artificial vessels. To establish a simple method for culturing chick embryos with high hatchability, we examined various culture conditions, including methods for calcium supplementation and oxygen aeration. In the embryo cultures where the embryos were transferred to the culture vessel after 55-56 h incubation, more than 90% of embryos survived until day 17 when a polymethylpentene film was used as a culture vessel with calcium lactate and distilled water supplementations. The aeration of pure oxygen to the surviving embryos from day 17 yielded a hatchability of 57.1% (8 out of 14). Thus, we successfully achieved a high hatchability with this method in chicken embryo culture using an artificial vessel.

At The Exploratorium in San Francisco, a Live Chicken Embryos exhibit demonstrates embryo development during the first week of a 21-day incubation period, including the development of blood vessels, a backbone, wing bugs, eyes, a brain, and a beating heart:

Watch these videos next: How Birds Get Oxygen Inside Their Eggs, The Field Museum's amazing egg collection, and From zygote to hatched larva, a cell division time lapse.

Thanks, @bookymargoof.

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Observation of shell-less chick embryo development | The Kid Should See This

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At the Mihama Veterinary Clinic in Fukui, Japan, researcher Yusaku Watanabe carefully followed the procedures outlined in the research paper A Novel Shell-less Culture System for Chick Embryos Using a Plastic Film as Culture Vessels to observe fertilized egg embryo development without an egg.

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Home Learning 2/6/26 -  "Protein Synthesis - TRANSCRIPTION" [ISN 13, Slides 1-9 ]                                   "TRANSLATION" [ISN 15, Slides 10-15]

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Home Learning 2/6/26 -  "Protein Synthesis - TRANSCRIPTION" [ISN 13, Slides 1-9 ]                                   "TRANSLATION" [ISN 15, Slides 10-15]

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Home Learning 12/01/2023

This may be a bit long, but please be sure to use the page given in the classroom!

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Eukaryotic Cell Cycle | Biology | Genetics

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Mitosis: Splitting Up is Complicated - Crash Course Biology #12

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Home Learning 12/06/2023

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Mitosis vs Meiosis Rap Battle! | SCIENCE SONGS

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Cell Cycle and Mitosis Video... Great Animations!

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Cell Cycle and Mitosis Video... Great Animations!

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Meiosis: Where the Sex Starts - Crash Course Biology #13

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Do Not Forget you have notes for Kreb Cycle, ETC, and Cellular Respiration.

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In 2016, David Wakerley and Chris Windle of the Reisner Lab at the University of Cambridge created a stop motion animation to introduce the lab's research. The subject: Artificial Photosynthesis. The medium: LEGO.

Learn how the lab is working toward creating a renewable and sustainable fuel with approaches directly inspired by photosynthesis: how plants use the sun's energy to convert carbon dioxide and water into oxygen and sugar.

A summary of artificial photosynthesis from Futurism:

Artificial photosynthesis (AP) aims to split water in oceans, and possibly even rivers, into its hydrogen, oxygen, and carbon components using sunlight. Hydrogen produced via AP is readily usable in the fuel cells of electric cars being manufactured right now, and it can also be used to store solar energy. Liquid fuels like hydrogen have a distinct advantage over batteries, as they are lighter and less bulky.

Nature also has an animated video about Learning from leaves: Going green with artificial photosynthesis. Watch that next.

Then check out more videos about batteries, more videos about photosynthesis, and how Sundrop Farms uses seawater and sunlight to grow sustainable food in the desert.

Thanks, Tumble Science Podcast for Kids.

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Artificial Photosynthesis (in LEGO) | The Kid Should See This

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In 2016, David Wakerley and Chris Windle of the Reisner Lab at the University of Cambridge created a stop motion animation to introduce the lab's research. The subject: Artificial Photosynthesis. The medium: LEGO.

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Complete Mutations and Recombinant DNA ISN 10 -11

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Home Learning 1/7/2020 [ISN 6]

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Law of Segregation (Mendel's First Law of Inheritance)  (FL-Genetics/03)

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Law of Independent Assortment [L16.1, 2]

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Law of Independent Assortment [L16.1, 2]

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Home Learning 1/7/2020 [ISN 7]

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Mendel's experiment | Dihybrid Cross | Law of Independent Assortment

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Due the day of assessment

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Biology is the study of living things. It is broken down into many fields, reflecting the complexity of life from the atoms and molecules of biochemistry to the interactions of millions of organisms in ecology. This biology dictionary is here to help you learn about all sorts of biology terms, principles, and life forms. Search by individual topic using the alphabetized menu below, or search by field of study using the menu on the left.

Trending Biology Topics

The list below contains the most popular biological concepts. You can also view the complete list of biology terms here.

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Biology Dictionary - Explanations and Examples of Biological Concepts

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Biology Dictionary provides definition, examples and quiz for common biology terms, including molecular biology, cell biology, genetics, ecology and more!

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HL: Notes for 10/28/19
ISN 37

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Cell Membrane Transport - Transport Across A Membrane - How Do Things Move Across A Cell Membrane

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Week of 10/28/19

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ISN Notes 35 (focus on Cell Theory and Microscope)

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Discussion Questions for Enzyme Virtual Lab

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Pay attention to vocabulary!!!

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Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

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ISN 18

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ISN 17

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DIFFERENCE BETWEEN A MOLECULE & A COMPOUND - [ AboodyTV ] - Chemistry

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Types of Chemical Bonds (only the first 3)

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Types of Chemical Bonds (only the first 3)

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ISN 17

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Ionic and Covalent Bonds, Hydrogen Bonds, van der Waals - 4 types of Chemical Bonds in Biology

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Should have a copy of notes in ISN

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First Semester ONLY!

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ISN 60

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Protein synthesis

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At the Mihama Veterinary Clinic in Fukui, Japan, researcher Yusaku Watanabe carefully followed the procedures outlined in the research paper A Novel Shell-less Culture System for Chick Embryos Using a Plastic Film as Culture Vessels to observe fertilized egg embryo development without an egg. Would a chick 'hatch' at the end of the standard 21-day incubation period?

The resulting 2017 video above, Observation of the Development of Chick Embryo, shows how Wantanabe fostered a fertilized egg into a fully-developed chick, a feat that, based on the paper, may only happen 57.1% of the time. That's 8 out of 14 live chicks. As Science Alert notes, this kind of incubation technique could aid in endangered bird conservation: "Not only could it allow researchers to save chicks when their eggs have been damaged, it could also lead to new options for bird IVF, or even growing vulnerable species inside surrogate eggs." And from Daily Dot:

It's a bit more complicated than dumping shell contents into plastic wrap and putting them in the incubator. The approach requires buying fertilized eggs from the store, incubating them in the shell for a few days, and then carefully and quickly transferring them to the cup, all using flawless sterile techniques.

You also have to carefully monitor the amount of oxygen, humidity, and calcium in the whole system to make sure the chicks are healthy and happy when they catch. Natural egg shells are permeable to oxygen and carbon dioxide, which is what lets the chick embryo breathe during incubation. So the plastic wrap must also be made permeable to these gases-usually by making a small hole at the top of the bag.

And from the research paper by Yutaka Tahara and Katsuya Obara:

To date, studies of culture methods for bird embryos include the whole embryo culture using narrow windowed eggshells, surrogate eggshells, and an artificial vessel using a gas-permeable membrane. However, there are no reports achieving high hatchability of >50% using completely artificial vessels. To establish a simple method for culturing chick embryos with high hatchability, we examined various culture conditions, including methods for calcium supplementation and oxygen aeration. In the embryo cultures where the embryos were transferred to the culture vessel after 55-56 h incubation, more than 90% of embryos survived until day 17 when a polymethylpentene film was used as a culture vessel with calcium lactate and distilled water supplementations. The aeration of pure oxygen to the surviving embryos from day 17 yielded a hatchability of 57.1% (8 out of 14). Thus, we successfully achieved a high hatchability with this method in chicken embryo culture using an artificial vessel.

At The Exploratorium in San Francisco, a Live Chicken Embryos exhibit demonstrates embryo development during the first week of a 21-day incubation period, including the development of blood vessels, a backbone, wing bugs, eyes, a brain, and a beating heart:

Watch these videos next: How Birds Get Oxygen Inside Their Eggs, The Field Museum's amazing egg collection, and From zygote to hatched larva, a cell division time lapse.

Thanks, @bookymargoof.

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Observation of shell-less chick embryo development | The Kid Should See This

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At the Mihama Veterinary Clinic in Fukui, Japan, researcher Yusaku Watanabe carefully followed the procedures outlined in the research paper A Novel Shell-less Culture System for Chick Embryos Using a Plastic Film as Culture Vessels to observe fertilized egg embryo development without an egg.

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ISN 56-57

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Natural Selection - Crash Course Biology #14

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This presentation does not have the videos included :(

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Target A7.1: DNA Structure, Function, & Replication

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Monohybrids and the Punnett Square Guinea Pigs

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Punnett square fun | Biomolecules | MCAT | Khan Academy

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Mitosis: Splitting Up is Complicated - Crash Course Biology #12

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Sorry, but had issues with file and printing.

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The Effects of Temperature on Enzymatic Reactions LAB

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Used to complete foldable.

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Correlates with our previous textbook.

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Types of Microscopes Tutorial (interactive)

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Types of Microscopes Tutorial (interactive)

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ISN Notes 21

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ISN Notes 21 (although it looks interactive it is NOT)

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My Favorite!

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Notes for ISN 19
SC912L18.12

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Water - Liquid Awesome: Crash Course Biology #2