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Britain & the wider world: 1745 -1901
1l the quest for political stability: germany, 1871-1991
The cold war
Inter-war germany
Medieval period: 1066 -1509
2d religious conflict and the church in england, c1529-c1570
2o democracy and nazism: germany, 1918-1945
1f industrialisation and the people: britain, c1783-1885
1c the tudors: england, 1485-1603
2m wars and welfare: britain in transition, 1906-1957
World war two & the holocaust
2n revolution and dictatorship: russia, 1917-1953
2s the making of modern britain, 1951-2007
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Biology
17 Dec 2025
11,494
4 pages
Tia @tiawilliams_pzgi
Photosynthesis and Its Key Factors- A comprehensive guide exploring the fundamental process of photosynthesis, its mechanisms, and... Show more
Page 2 Biosynthesis and Glucose Utilization
This section explores how plants utilize the glucose produced during photosynthesis for various biological processes and structural components.
Definition Biosynthesis is the process of converting glucose into other essential plant materials.
Highlight Glucose serves as the foundation for producing
Page 3 Measuring and Factors Affecting Photosynthesis
This page discusses the various methods of measuring photosynthesis rate and explores key factors influencing photosynthetic efficiency.
Vocabulary Limiting factors - Conditions that restrict the rate of photosynthesis when at suboptimal levels.
Example Plants in poor lighting conditions produce more chlorophyll to compensate for reduced light availability.
Highlight Light intensity shows a linear relationship with photosynthesis rate until another factor becomes limiting.
Page 4 Environmental Factors and Temperature Effects
The final page examines how carbon dioxide concentration and temperature influence photosynthetic rates, with particular focus on enzymatic reactions.
Definition Enzyme denaturation occurs at high temperatures, severely impacting photosynthesis rates.
Highlight CO₂ concentration directly correlates with photosynthesis rate until another factor becomes limiting.
Example Low temperatures limit photosynthesis by reducing molecular collisions between enzymes and substrates.
Page 1 Fundamental Mechanisms of Photosynthesis
This page details the core process of photosynthesis, explaining how plants manufacture their own food through this vital chemical reaction. The process combines carbon dioxide and water using light energy to produce glucose and oxygen.
Definition Photosynthesis is an endothermic reaction requiring light energy absorbed by chlorophyll to produce glucose from CO₂ and water.
Vocabulary Chlorophyll - The green pigment found in chloroplasts responsible for absorbing light energy.
Highlight The chemical equation 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
Example During daylight hours, plant leaves release oxygen as a byproduct of photosynthesis, benefiting other organisms.
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.
646
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Explore the key factors influencing the rate of photosynthesis, including light intensity, CO₂ concentration, and temperature. Understand how chlorophyll levels and environmental stressors can limit this vital process. This summary provides essential insights for biology students studying plant physiology.
BiologyExplore the intricate processes of photosynthesis, including light-dependent and light-independent reactions, chloroplast structure, and the role of pigments like chlorophyll. This summary covers key concepts such as thylakoids, the Calvin cycle, and the action spectrum, providing a comprehensive overview for A-level Biology students.
BiologyExplore the Calvin Cycle, the light-independent reactions of photosynthesis occurring in the stroma. This summary covers the journey of carbon dioxide, the role of RuBISCO, ATP and NADPH in synthesizing glucose, and the regeneration of RuBP. Ideal for students studying photosynthesis and its biochemical processes.
BiologyExplore the key processes of cellular respiration, including glycolysis, the Krebs cycle, and oxidative phosphorylation. This summary highlights ATP production, metabolic pathways, and the role of NADH and FADH2 in energy transfer. Ideal for A2 Level WJEC biology students.
BiologyExplore the impact of temperature on enzyme activity in this practical guide. Learn to conduct experiments using trypsin and milk powder to measure reaction rates, understand enzyme kinetics, and evaluate safety protocols. Ideal for A-Level Biology students, this resource covers essential techniques, risk assessments, and data analysis methods.
BiologyExplore the intricate processes of photosynthesis, focusing on the light-dependent and light-independent reactions. This summary covers key concepts such as chloroplast structure, the role of chlorophyll, photolysis, ATP production, and the Calvin cycle. Ideal for A Level Biology students seeking a comprehensive understanding of photosynthesis.
BiologyComprehensive revision material for GCSE Biology Paper 1 covering key topics such as cell structure, photosynthesis, digestion, and diseases. This summary includes essential concepts like gene therapy, the circulatory system, and the impact of smoking on health. Ideal for students preparing for their exams, this resource provides a clear understanding of biological processes and systems.
BiologyApp Store
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
Tia
@tiawilliams_pzgi
Photosynthesis and Its Key Factors - A comprehensive guide exploring the fundamental process of photosynthesis, its mechanisms, and influencing factors.
• The process converts carbon dioxide and water into glucose using light energy and chlorophyll
• Biosynthesis pathways utilize glucose... Show more
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Page 2: Biosynthesis and Glucose Utilization
This section explores how plants utilize the glucose produced during photosynthesis for various biological processes and structural components.
Definition: Biosynthesis is the process of converting glucose into other essential plant materials.
Highlight: Glucose serves as the foundation for producing:
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Page 3: Measuring and Factors Affecting Photosynthesis
This page discusses the various methods of measuring photosynthesis rate and explores key factors influencing photosynthetic efficiency.
Vocabulary: Limiting factors - Conditions that restrict the rate of photosynthesis when at suboptimal levels.
Example: Plants in poor lighting conditions produce more chlorophyll to compensate for reduced light availability.
Highlight: Light intensity shows a linear relationship with photosynthesis rate until another factor becomes limiting.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Page 4: Environmental Factors and Temperature Effects
The final page examines how carbon dioxide concentration and temperature influence photosynthetic rates, with particular focus on enzymatic reactions.
Definition: Enzyme denaturation occurs at high temperatures, severely impacting photosynthesis rates.
Highlight: CO₂ concentration directly correlates with photosynthesis rate until another factor becomes limiting.
Example: Low temperatures limit photosynthesis by reducing molecular collisions between enzymes and substrates.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Page 1: Fundamental Mechanisms of Photosynthesis
This page details the core process of photosynthesis, explaining how plants manufacture their own food through this vital chemical reaction. The process combines carbon dioxide and water using light energy to produce glucose and oxygen.
Definition: Photosynthesis is an endothermic reaction requiring light energy absorbed by chlorophyll to produce glucose from CO₂ and water.
Vocabulary: Chlorophyll - The green pigment found in chloroplasts responsible for absorbing light energy.
Highlight: The chemical equation: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
Example: During daylight hours, plant leaves release oxygen as a byproduct of photosynthesis, benefiting other organisms.
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.
646
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Explore the key factors influencing the rate of photosynthesis, including light intensity, CO₂ concentration, and temperature. Understand how chlorophyll levels and environmental stressors can limit this vital process. This summary provides essential insights for biology students studying plant physiology.
BiologyExplore the intricate processes of photosynthesis, including light-dependent and light-independent reactions, chloroplast structure, and the role of pigments like chlorophyll. This summary covers key concepts such as thylakoids, the Calvin cycle, and the action spectrum, providing a comprehensive overview for A-level Biology students.
BiologyExplore the Calvin Cycle, the light-independent reactions of photosynthesis occurring in the stroma. This summary covers the journey of carbon dioxide, the role of RuBISCO, ATP and NADPH in synthesizing glucose, and the regeneration of RuBP. Ideal for students studying photosynthesis and its biochemical processes.
BiologyExplore the key processes of cellular respiration, including glycolysis, the Krebs cycle, and oxidative phosphorylation. This summary highlights ATP production, metabolic pathways, and the role of NADH and FADH2 in energy transfer. Ideal for A2 Level WJEC biology students.
BiologyExplore the impact of temperature on enzyme activity in this practical guide. Learn to conduct experiments using trypsin and milk powder to measure reaction rates, understand enzyme kinetics, and evaluate safety protocols. Ideal for A-Level Biology students, this resource covers essential techniques, risk assessments, and data analysis methods.
BiologyExplore the intricate processes of photosynthesis, focusing on the light-dependent and light-independent reactions. This summary covers key concepts such as chloroplast structure, the role of chlorophyll, photolysis, ATP production, and the Calvin cycle. Ideal for A Level Biology students seeking a comprehensive understanding of photosynthesis.
BiologyComprehensive revision material for GCSE Biology Paper 1 covering key topics such as cell structure, photosynthesis, digestion, and diseases. This summary includes essential concepts like gene therapy, the circulatory system, and the impact of smoking on health. Ideal for students preparing for their exams, this resource provides a clear understanding of biological processes and systems.
BiologyApp Store
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
Sociology