Every living thing is made up of cells - the...
Biology110 views·Updated May 30, 2026·2 pagesUnderstanding Cell Structure: Eukaryotic and Prokaryotic Cells
Ruby@rubydarby
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Cell Structure Basics
You've probably wondered what makes plants and animals so different at a microscopic level. Plant cells and animal cells share many common structures, but plants have some special features that help them survive and make their own food.
Both cell types contain a nucleus (the control centre with DNA), cytoplasm , and mitochondria (the powerhouses that release energy). They also have ribosomes for making proteins and a cell membrane that controls what goes in and out.
Plant cells have three extra structures that animal cells don't: chloroplasts (containing green chlorophyll for photosynthesis), a cell wall (for extra strength and support), and a large vacuole (filled with sap to keep the cell firm and upright).
Quick Tip: Remember that plants need to make their own food and stay upright without bones, which explains why they have chloroplasts and cell walls!
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of 2
Eukaryotic vs Prokaryotic Cells
Here's where things get interesting - not all cells are built the same way! Eukaryotic cells (like plant and animal cells) have their genetic material safely tucked away inside a nucleus, whilst prokaryotic cells (like bacteria) have their DNA floating freely in the cytoplasm.
Bacterial cells are much simpler and smaller than plant or animal cells. They contain plasmids (small circles of DNA that can move between bacteria), and some have flagella . Many bacteria also have a slime capsule that protects them from toxic chemicals.
The key difference is organisation: eukaryotic cells keep their DNA organised in chromosomes within the nucleus, making them more complex. Prokaryotic cells are like studio flats - everything's in one space, but they're incredibly efficient and can survive in extreme conditions.
Remember: You'd need a powerful microscope to see a single bacterium - they're absolutely tiny compared to the cells in your body!
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Biology110 views·Updated May 30, 2026·2 pagesUnderstanding Cell Structure: Eukaryotic and Prokaryotic Cells
Ruby@rubydarby
Every living thing is made up of cells - the basic building blocks of life. Understanding how plant and animal cells are structured, and how they differ from bacterial cells, is crucial for grasping how life actually works at the...
1
of 2
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Cell Structure Basics
You've probably wondered what makes plants and animals so different at a microscopic level. Plant cells and animal cells share many common structures, but plants have some special features that help them survive and make their own food.
Both cell types contain a nucleus (the control centre with DNA), cytoplasm , and mitochondria (the powerhouses that release energy). They also have ribosomes for making proteins and a cell membrane that controls what goes in and out.
Plant cells have three extra structures that animal cells don't: chloroplasts (containing green chlorophyll for photosynthesis), a cell wall (for extra strength and support), and a large vacuole (filled with sap to keep the cell firm and upright).
Quick Tip: Remember that plants need to make their own food and stay upright without bones, which explains why they have chloroplasts and cell walls!
2
of 2Sign up to see the content. It's free!
- Access to all documents
- Improve your grades
- Join milions of students
Eukaryotic vs Prokaryotic Cells
Here's where things get interesting - not all cells are built the same way! Eukaryotic cells (like plant and animal cells) have their genetic material safely tucked away inside a nucleus, whilst prokaryotic cells (like bacteria) have their DNA floating freely in the cytoplasm.
Bacterial cells are much simpler and smaller than plant or animal cells. They contain plasmids (small circles of DNA that can move between bacteria), and some have flagella . Many bacteria also have a slime capsule that protects them from toxic chemicals.
The key difference is organisation: eukaryotic cells keep their DNA organised in chromosomes within the nucleus, making them more complex. Prokaryotic cells are like studio flats - everything's in one space, but they're incredibly efficient and can survive in extreme conditions.
Remember: You'd need a powerful microscope to see a single bacterium - they're absolutely tiny compared to the cells in your body!
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.
Similar content
Most popular content: Eukaryotic Cells
5Most popular content in Biology
9Most popular content
9Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5App Store
4.7/5Google 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 SiOS 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 KlichAndroid 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.
AnnaiOS user