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Cell Structures and Functions
536
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6 Jul 2025
•
Cool Facts: Plant and Animal Cell Parts and Their Functions
AbigailTheFish
@fishythefish
Exploring Cell Organelles and Their Functions
The second page delves deeper into the various organelles found in animal cells, providing detailed explanations of their structures and functions. This section is crucial for understanding the different components of plant and animal cells and their functions.
- Endoplasmic Reticulum : Composed of flat sacs and tubes, the ER packages proteins, transports materials through the cytoplasm, and eliminates cellular waste.
- Vacuoles: These organelles store water and nutrients, providing space for waste within the cell.
- Mitochondria: Described as critical organelles, mitochondria are responsible for energy production through the reaction of oxygen and sugars from food.
Example: Muscle cells, which require the most energy, have the highest concentration of mitochondria among all cell types.
- Lysosomes: These sac-like structures contain enzymes that break down food, cell waste, and foreign organisms.
- Golgi Apparatus: Working closely with the ER, the Golgi Apparatus temporarily stores, packages, and transports materials through and out of the cell.
- Nucleus: Referred to as the "brain" of the cell, the nucleus contains the genetic information needed for most cellular functions.
Highlight: The nuclear membrane has two layers for extra protection and contains pores to allow materials to pass in and out of the nucleus.
- Nucleolus: This structure creates Ribosomal RNA, which reads and carries out instructions given in DNA.
This page provides a comprehensive overview of the cell organelles and their functions, serving as an excellent resource for understanding the functions of organelles in a cell and their functions.
Plant Cell Structure and Unique Features
The third page focuses on the structure of plant cells, highlighting the key differences between plant and animal cells. This section is particularly useful for understanding the difference between plant cell and animal cell.
The page presents a detailed plant cell diagram, labeling various organelles and structures specific to plant cells. The most notable difference is the presence of a cell wall in plant cells.
Definition: The cell wall is a protective structure that lies outside the cell membrane in plant cells, acting as a shield and providing structural support.
Key points about the plant cell wall:
- It gives plants their rigid structure and helps them stay upright.
- The cell wall is semi-permeable, allowing materials to pass through.
- Other organisms like fungi, bacteria, and some algae also have cell walls, but they are composed of different materials.
Example: Bacterial cell walls are made of a sugar-amino acid polymer called peptidoglycan, unlike plant cell walls.
This page effectively illustrates the 10 differences between plant and animal cells by providing a visual comparison through the plant cell and animal cell diagram. It emphasizes the unique features of plant cells, such as the presence of chloroplasts, which are not found in animal cells.
The document concludes by reinforcing the importance of understanding both plant and animal cell structures, as this knowledge forms the foundation for comprehending more complex biological processes.
Cell Structure and Function: The Foundation of Life
The first page introduces the fundamental concepts of cell biology, focusing on the structure and function of cells. It emphasizes that cells are the basic building blocks of life, performing most of the chemistry within organisms and making up bodily structures.
Definition: Cells are the foundation of all life, performing most of the chemistry within an organism and making up structures within the body.
The page details key components of a typical animal cell, including:
- Cell membrane: The outer shell that controls what enters and exits the cell.
- Cytoplasm: A jelly-like substance containing the cytosol and cytoskeleton, acting as a cushion and transport system for organelles.
- Ribosomes: Small organelles that produce proteins based on genetic information.
Highlight: The three main principles of all cells are: they make up all organisms, they are the basic building blocks of life, and every cell comes from another existing cell.
The document also introduces the concept of tissues and organs, explaining how cells work together to form these larger structures. It provides a detailed diagram of a typical animal cell, labeling various organelles and their locations within the cell.
Vocabulary: Organelles are specialized structures within a cell, each performing different functions such as producing energy, making new proteins, or destroying and digesting objects.
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4.9/5
App Store
4.8/5
Google Play
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
Cool Facts: Plant and Animal Cell Parts and Their Functions
AbigailTheFish
@fishythefish
Different components of plant and animal cells and their functions are explored in this comprehensive guide. It covers the 10 differences between plant and animal cells, providing detailed animal cell diagrams and plant cell diagrams. The document explains... Show more
Exploring Cell Organelles and Their Functions
The second page delves deeper into the various organelles found in animal cells, providing detailed explanations of their structures and functions. This section is crucial for understanding the different components of plant and animal cells and their functions.
- Endoplasmic Reticulum : Composed of flat sacs and tubes, the ER packages proteins, transports materials through the cytoplasm, and eliminates cellular waste.
- Vacuoles: These organelles store water and nutrients, providing space for waste within the cell.
- Mitochondria: Described as critical organelles, mitochondria are responsible for energy production through the reaction of oxygen and sugars from food.
Example: Muscle cells, which require the most energy, have the highest concentration of mitochondria among all cell types.
- Lysosomes: These sac-like structures contain enzymes that break down food, cell waste, and foreign organisms.
- Golgi Apparatus: Working closely with the ER, the Golgi Apparatus temporarily stores, packages, and transports materials through and out of the cell.
- Nucleus: Referred to as the "brain" of the cell, the nucleus contains the genetic information needed for most cellular functions.
Highlight: The nuclear membrane has two layers for extra protection and contains pores to allow materials to pass in and out of the nucleus.
- Nucleolus: This structure creates Ribosomal RNA, which reads and carries out instructions given in DNA.
This page provides a comprehensive overview of the cell organelles and their functions, serving as an excellent resource for understanding the functions of organelles in a cell and their functions.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Plant Cell Structure and Unique Features
The third page focuses on the structure of plant cells, highlighting the key differences between plant and animal cells. This section is particularly useful for understanding the difference between plant cell and animal cell.
The page presents a detailed plant cell diagram, labeling various organelles and structures specific to plant cells. The most notable difference is the presence of a cell wall in plant cells.
Definition: The cell wall is a protective structure that lies outside the cell membrane in plant cells, acting as a shield and providing structural support.
Key points about the plant cell wall:
- It gives plants their rigid structure and helps them stay upright.
- The cell wall is semi-permeable, allowing materials to pass through.
- Other organisms like fungi, bacteria, and some algae also have cell walls, but they are composed of different materials.
Example: Bacterial cell walls are made of a sugar-amino acid polymer called peptidoglycan, unlike plant cell walls.
This page effectively illustrates the 10 differences between plant and animal cells by providing a visual comparison through the plant cell and animal cell diagram. It emphasizes the unique features of plant cells, such as the presence of chloroplasts, which are not found in animal cells.
The document concludes by reinforcing the importance of understanding both plant and animal cell structures, as this knowledge forms the foundation for comprehending more complex biological processes.
Cell Structure and Function: The Foundation of Life
The first page introduces the fundamental concepts of cell biology, focusing on the structure and function of cells. It emphasizes that cells are the basic building blocks of life, performing most of the chemistry within organisms and making up bodily structures.
Definition: Cells are the foundation of all life, performing most of the chemistry within an organism and making up structures within the body.
The page details key components of a typical animal cell, including:
- Cell membrane: The outer shell that controls what enters and exits the cell.
- Cytoplasm: A jelly-like substance containing the cytosol and cytoskeleton, acting as a cushion and transport system for organelles.
- Ribosomes: Small organelles that produce proteins based on genetic information.
Highlight: The three main principles of all cells are: they make up all organisms, they are the basic building blocks of life, and every cell comes from another existing cell.
The document also introduces the concept of tissues and organs, explaining how cells work together to form these larger structures. It provides a detailed diagram of a typical animal cell, labeling various organelles and their locations within the cell.
Vocabulary: Organelles are specialized structures within a cell, each performing different functions such as producing energy, making new proteins, or destroying and digesting objects.
We thought you’d never ask...
What is the Knowunity AI companion?
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.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.9/5
App Store
4.8/5
Google Play
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