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World war two & the holocaust
2m wars and welfare: britain in transition, 1906-1957
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9
0
Greta Bolognani
13/12/2022
Biology
Lipids
248
•
13 Dec 2022
•
Greta Bolognani
@gretabolognani_dmmh
Lipids are essential biomolecules with diverse structures and functions. Triglycerides... Show more
Phospholipids are similar to triglycerides but have one fatty acid replaced by a phosphate group. This structure gives phospholipids their characteristic amphipathic nature, with a hydrophilic head and hydrophobic tails.
Definition: Amphipathic molecules have both hydrophilic (water-loving) and hydrophobic (water-fearing) regions.
The unique structure of phospholipids makes them ideal components of cell membranes. They form a bilayer with the hydrophilic heads facing the aqueous environments on both sides of the membrane and the hydrophobic tails facing inward.
Highlight: The phospholipid bilayer function is crucial for maintaining cellular integrity and controlling the passage of substances in and out of cells.
Steroids are another important class of lipids characterized by their four-ring structure. They include hormones like estrogen and testosterone, as well as cholesterol.
Example: Cholesterol, the most common steroid in the human body, serves as a precursor to vitamin D and is a vital component of cell membranes.
Understanding the properties of phospholipids in cell membranes and the structure of steroids is essential for comprehending their roles in biological processes. These lipids contribute to various functions beyond those of triglycerides, including cellular signaling and hormone regulation.
Triglycerides play crucial roles in biological systems, serving as important molecules for insulation, energy storage, and protection of delicate organs. Their structure, consisting of glycerol bonded to three fatty acids, allows them to efficiently store energy in a compact form.
Definition: Condensation reaction is a process where two molecules combine to form a larger molecule, releasing a small molecule (often water) as a byproduct.
Steroids, with their characteristic four-ring structure, include important hormones like estrogen and testosterone. These hormones are derived from cholesterol, which itself is a vital component of cell membranes.
Highlight: The difference between saturated and unsaturated fatty acids lies in their molecular structure and has significant implications for health and nutrition.
Phospholipids are the main components of cell membranes. Their structure, with a hydrophilic head and hydrophobic tails, allows them to form bilayers that are crucial for cellular function.
Example: In a phospholipid bilayer, the hydrophilic heads face outward towards the aqueous environments on both sides of the membrane, while the hydrophobic tails face inward.
Fatty acids can be classified as saturated (no carbon-carbon double bonds), unsaturated (one carbon-carbon double bond), or polyunsaturated (two or more carbon-carbon double bonds). This classification is important for understanding the properties of triglycerides and their impact on health.
Vocabulary: Hydrophilic means "water-loving," while hydrophobic means "water-fearing."
Understanding the structures and functions of these lipids is crucial for comprehending their roles in biological systems and their impact on health and nutrition.
Lipids are a diverse group of biomolecules that are not polymers but contain hydrocarbons and other components. The structure and components of lipids directly relate to their properties and functions in biological systems. The main groups of lipids include triglycerides, phospholipids, and steroids.
Triglycerides, a key focus in the structure and function of triglycerides explained PDF, are composed of three fatty acids and one glycerol molecule. Fatty acids can be classified as saturated (single carbon-to-carbon bonds), monounsaturated (one carbon-to-carbon double bond), or polyunsaturated (two or more carbon-to-carbon double bonds).
Vocabulary: Hydrocarbons are organic compounds consisting entirely of hydrogen and carbon atoms.
The properties of triglycerides make them ideal for chemical energy storage. Their long fatty acid tails are hydrophobic, causing triglycerides to form droplets with all their tails facing inward.
Highlight: The structure of fatty acids, particularly the presence of double bonds, affects the packing of triglycerides and their physical properties.
Unsaturated fatty acids can exist in cis- and trans- configurations, which influence their structure and function. The cis- configuration creates kinks in the hydrocarbon chain, affecting how closely the molecules can pack together.
Example: Oleic acid, a monounsaturated fatty acid found in olive oil, has a cis- configuration that contributes to its liquid state at room temperature.
Understanding the structure of triglycerides and their fatty acid components is crucial for comprehending their role in biological systems and their impact on health.
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Greta Bolognani
@gretabolognani_dmmh
Lipids are essential biomolecules with diverse structures and functions. Triglycerides, phospholipids, and steroids are the main groups of lipids, each with unique properties and roles in biological systems. These molecules are crucial for energy storage, cell membrane structure,... Show more
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Phospholipids are similar to triglycerides but have one fatty acid replaced by a phosphate group. This structure gives phospholipids their characteristic amphipathic nature, with a hydrophilic head and hydrophobic tails.
Definition: Amphipathic molecules have both hydrophilic (water-loving) and hydrophobic (water-fearing) regions.
The unique structure of phospholipids makes them ideal components of cell membranes. They form a bilayer with the hydrophilic heads facing the aqueous environments on both sides of the membrane and the hydrophobic tails facing inward.
Highlight: The phospholipid bilayer function is crucial for maintaining cellular integrity and controlling the passage of substances in and out of cells.
Steroids are another important class of lipids characterized by their four-ring structure. They include hormones like estrogen and testosterone, as well as cholesterol.
Example: Cholesterol, the most common steroid in the human body, serves as a precursor to vitamin D and is a vital component of cell membranes.
Understanding the properties of phospholipids in cell membranes and the structure of steroids is essential for comprehending their roles in biological processes. These lipids contribute to various functions beyond those of triglycerides, including cellular signaling and hormone regulation.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Triglycerides play crucial roles in biological systems, serving as important molecules for insulation, energy storage, and protection of delicate organs. Their structure, consisting of glycerol bonded to three fatty acids, allows them to efficiently store energy in a compact form.
Definition: Condensation reaction is a process where two molecules combine to form a larger molecule, releasing a small molecule (often water) as a byproduct.
Steroids, with their characteristic four-ring structure, include important hormones like estrogen and testosterone. These hormones are derived from cholesterol, which itself is a vital component of cell membranes.
Highlight: The difference between saturated and unsaturated fatty acids lies in their molecular structure and has significant implications for health and nutrition.
Phospholipids are the main components of cell membranes. Their structure, with a hydrophilic head and hydrophobic tails, allows them to form bilayers that are crucial for cellular function.
Example: In a phospholipid bilayer, the hydrophilic heads face outward towards the aqueous environments on both sides of the membrane, while the hydrophobic tails face inward.
Fatty acids can be classified as saturated (no carbon-carbon double bonds), unsaturated (one carbon-carbon double bond), or polyunsaturated (two or more carbon-carbon double bonds). This classification is important for understanding the properties of triglycerides and their impact on health.
Vocabulary: Hydrophilic means "water-loving," while hydrophobic means "water-fearing."
Understanding the structures and functions of these lipids is crucial for comprehending their roles in biological systems and their impact on health and nutrition.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Lipids are a diverse group of biomolecules that are not polymers but contain hydrocarbons and other components. The structure and components of lipids directly relate to their properties and functions in biological systems. The main groups of lipids include triglycerides, phospholipids, and steroids.
Triglycerides, a key focus in the structure and function of triglycerides explained PDF, are composed of three fatty acids and one glycerol molecule. Fatty acids can be classified as saturated (single carbon-to-carbon bonds), monounsaturated (one carbon-to-carbon double bond), or polyunsaturated (two or more carbon-to-carbon double bonds).
Vocabulary: Hydrocarbons are organic compounds consisting entirely of hydrogen and carbon atoms.
The properties of triglycerides make them ideal for chemical energy storage. Their long fatty acid tails are hydrophobic, causing triglycerides to form droplets with all their tails facing inward.
Highlight: The structure of fatty acids, particularly the presence of double bonds, affects the packing of triglycerides and their physical properties.
Unsaturated fatty acids can exist in cis- and trans- configurations, which influence their structure and function. The cis- configuration creates kinks in the hydrocarbon chain, affecting how closely the molecules can pack together.
Example: Oleic acid, a monounsaturated fatty acid found in olive oil, has a cis- configuration that contributes to its liquid state at room temperature.
Understanding the structure of triglycerides and their fatty acid components is crucial for comprehending their role in biological systems and their impact on health.
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
