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How Osmosis, Turgor Pressure, and Transpiration Affect Plant and Animal Cells

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mollie

09/03/2023

Biology

GCSE CCEA osmosis and plants transport (part one)

How Osmosis, Turgor Pressure, and Transpiration Affect Plant and Animal Cells

The movement of water through plant and animal cells via osmosis plays a crucial role in biological systems. The effects of osmosis on plant and animal cells determine their survival and function, while the role of turgor pressure in plant cells maintains their structure.

  • Osmosis involves water movement across selectively permeable membranes from dilute to concentrated solutions
  • Plant cells manage water intake through cell wall pressure, preventing bursting
  • Animal cells lack cell walls and can burst if too much water enters
  • Factors affecting transpiration rate in plants include temperature, wind speed, humidity, and light intensity
  • Transpiration is essential for water movement through plants and maintaining cellular functions
...

09/03/2023

86

2.1.2
Biology Unit 2- Osmosis and plant transport.
definition Osmosis is the movement of water from a diluce
soloution to a more concentrate

View

Cell Response to Osmosis and Transpiration

This page covers how animal cells respond to osmosis differently from plant cells and introduces the concept of transpiration in plants.

Definition: Transpiration is the evaporation of water from mesophyll cells, followed by diffusion through leaf air spaces and stomata.

Highlight: Animal cells can burst through cell lysis when too much water enters, as they lack a cell wall to provide structural support.

Example: Environmental factors affecting transpiration include:

  • Higher temperatures increase evaporation and transpiration
  • Stronger winds accelerate water vapor removal from stomata
  • Higher humidity reduces evaporation and transpiration rates
2.1.2
Biology Unit 2- Osmosis and plant transport.
definition Osmosis is the movement of water from a diluce
soloution to a more concentrate

View

Environmental Factors and Water Usage

This page delves deeper into how environmental conditions affect plant water movement and usage.

Highlight: Light intensity significantly impacts transpiration as many plants close their stomata in darkness to conserve water.

Example: The main environmental factors affecting transpiration can be demonstrated using:

  • Temperature controls
  • Humidity measurements
  • Wind speed variations
  • Light intensity adjustments

Vocabulary:

  • Stomata: Pores in leaves that control gas exchange and water vapor release
  • Mesophyll: The internal leaf tissue where photosynthesis occurs

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Biology

86

9 Mar 2023

3 pages

How Osmosis, Turgor Pressure, and Transpiration Affect Plant and Animal Cells

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mollie

@molliegilmore_xwcx

The movement of water through plant and animal cells via osmosis plays a crucial role in biological systems. The effects of osmosis on plant and animal cells determine their survival and function, while the role of turgor pressure in plant... Show more

2.1.2
Biology Unit 2- Osmosis and plant transport.
definition Osmosis is the movement of water from a diluce
soloution to a more concentrate

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Cell Response to Osmosis and Transpiration

This page covers how animal cells respond to osmosis differently from plant cells and introduces the concept of transpiration in plants.

Definition: Transpiration is the evaporation of water from mesophyll cells, followed by diffusion through leaf air spaces and stomata.

Highlight: Animal cells can burst through cell lysis when too much water enters, as they lack a cell wall to provide structural support.

Example: Environmental factors affecting transpiration include:

  • Higher temperatures increase evaporation and transpiration
  • Stronger winds accelerate water vapor removal from stomata
  • Higher humidity reduces evaporation and transpiration rates
2.1.2
Biology Unit 2- Osmosis and plant transport.
definition Osmosis is the movement of water from a diluce
soloution to a more concentrate

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

Environmental Factors and Water Usage

This page delves deeper into how environmental conditions affect plant water movement and usage.

Highlight: Light intensity significantly impacts transpiration as many plants close their stomata in darkness to conserve water.

Example: The main environmental factors affecting transpiration can be demonstrated using:

  • Temperature controls
  • Humidity measurements
  • Wind speed variations
  • Light intensity adjustments

Vocabulary:

  • Stomata: Pores in leaves that control gas exchange and water vapor release
  • Mesophyll: The internal leaf tissue where photosynthesis occurs
2.1.2
Biology Unit 2- Osmosis and plant transport.
definition Osmosis is the movement of water from a diluce
soloution to a more concentrate

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

Understanding Osmosis and Cell Transport

This page introduces fundamental concepts of osmosis and its effects on cells. The content explains how water moves between solutions of different concentrations through selectively permeable membranes.

Definition: Osmosis is the movement of water from a dilute solution to a more concentrated solution through a selectively permeable membrane.

Vocabulary:

  • Concentrated solution: Contains a low concentration of water
  • Dilute solution: Contains a high concentration of water
  • Turgid: Firm and swollen due to water pressure

Example: In plant cells, when water enters through osmosis, the vacuole expands and pushes against the cell wall, creating turgor pressure.

Highlight: The cell wall in plant cells prevents excessive water intake and cell bursting through turgor pressure. When a plant cell loses too much water, it becomes plasmolysed, with the cell membrane pulling away from the cell wall.

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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

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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.

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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

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Sudenaz Ocak

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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

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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

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