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mollie
@molliegilmore_xwcx
·
11 Followers
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Osmosis and plant transport are crucial processes in plant biology. This guide covers the definition of osmosis, its effects on plant and animal cells, transpiration, factors affecting transpiration, and methods to measure water loss in plants. What is osmosis and how it impacts cell structure and function is thoroughly explained, along with the importance of turgor pressure in plants.
30/03/2023
291
This page discusses the effects of osmosis on animal cells and introduces the concept of transpiration in plants.
Osmosis in Animal Cells: When water moves into an animal cell, its volume increases, stretching the cell membrane. If this continues, the cell membrane may eventually split, causing cell lysis.
Vocabulary: Cell lysis is the bursting of a cell due to excessive water intake through osmosis.
Transpiration: Transpiration is defined as the evaporation of water from mesophyll cells, followed by diffusion through leaf air spaces and stomata.
Definition: Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems, and flowers.
Factors Affecting Transpiration Rate:
Highlight: Factors affecting transpiration rate in plants include temperature, wind speed, humidity, and light intensity.
This page covers the various uses of water in plants and introduces methods for measuring transpiration.
Uses of Water in Plants:
Example: Water provides structural support to plants through turgor pressure, which keeps cells firm and maintains plant shape.
Measuring Transpiration:
Highlight: The potometer is a device used to measure the rate of water uptake in a cut plant shoot, which can be used as an indicator of transpiration rate.
Vocabulary: A potometer is an instrument used to measure the rate of water uptake of a leafy shoot.
This page discusses additional methods for measuring water loss in plants, focusing on the washing line method.
The Washing Line Method:
Example: The washing line method can be used to compare water loss in leaves exposed to different light intensities or wind speeds.
Highlight: The washing line method provides a simple yet effective way to compare how light intensity affects the rate of transpiration or how other environmental factors impact water loss in plants.
This method allows for direct comparison of water loss under various environmental conditions, making it valuable for studying factors affecting transpiration in plants.
Vocabulary: Transpiration rate is the speed at which water evaporates from the aerial parts of a plant.
Understanding these methods of measuring water loss is crucial for studying plant physiology and the effects of osmosis in plant cells. These techniques help researchers and students investigate how different environmental factors influence plant water relations and overall plant health.
This page introduces the concept of osmosis and its role in plant transport.
Osmosis is defined as the movement of water from a dilute solution to a more concentrated solution through a selectively permeable membrane. The page includes a diagram illustrating this process, showing water molecules moving from a dilute solution to a concentrated solution.
Definition: Osmosis is the movement of water from a dilute solution to a more concentrated solution through a selectively permeable membrane.
The page also covers the effects of osmosis on plant cells:
Highlight: Turgor pressure in plants is crucial for maintaining cell structure and preventing excessive water intake.
Vocabulary: Plasmolysis is the condition where a plant cell loses too much water, causing the cell contents to shrink and the cell membrane to pull away from the cell wall.
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This a past paper from November Higher Tier Biology Mark Scheme: https://files.cognitoedu.org/files/3%20-%20GCSE/1%20-%20Past%20Papers/5%20-%20Combined%20Science/1%20-%20AQA%20[EB]/1%20-%20Higher%20[HF]/AQA-GCSE-Combined-Science-Biology-Higher-November-2
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basically just mind maps and notes
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mollie
@molliegilmore_xwcx
·
11 Followers
Follow
Osmosis and plant transport are crucial processes in plant biology. This guide covers the definition of osmosis, its effects on plant and animal cells, transpiration, factors affecting transpiration, and methods to measure water loss in plants. What is osmosis and how it impacts cell structure and function is thoroughly explained, along with the importance of turgor pressure in plants.
This page discusses the effects of osmosis on animal cells and introduces the concept of transpiration in plants.
Osmosis in Animal Cells: When water moves into an animal cell, its volume increases, stretching the cell membrane. If this continues, the cell membrane may eventually split, causing cell lysis.
Vocabulary: Cell lysis is the bursting of a cell due to excessive water intake through osmosis.
Transpiration: Transpiration is defined as the evaporation of water from mesophyll cells, followed by diffusion through leaf air spaces and stomata.
Definition: Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems, and flowers.
Factors Affecting Transpiration Rate:
Highlight: Factors affecting transpiration rate in plants include temperature, wind speed, humidity, and light intensity.
This page covers the various uses of water in plants and introduces methods for measuring transpiration.
Uses of Water in Plants:
Example: Water provides structural support to plants through turgor pressure, which keeps cells firm and maintains plant shape.
Measuring Transpiration:
Highlight: The potometer is a device used to measure the rate of water uptake in a cut plant shoot, which can be used as an indicator of transpiration rate.
Vocabulary: A potometer is an instrument used to measure the rate of water uptake of a leafy shoot.
This page discusses additional methods for measuring water loss in plants, focusing on the washing line method.
The Washing Line Method:
Example: The washing line method can be used to compare water loss in leaves exposed to different light intensities or wind speeds.
Highlight: The washing line method provides a simple yet effective way to compare how light intensity affects the rate of transpiration or how other environmental factors impact water loss in plants.
This method allows for direct comparison of water loss under various environmental conditions, making it valuable for studying factors affecting transpiration in plants.
Vocabulary: Transpiration rate is the speed at which water evaporates from the aerial parts of a plant.
Understanding these methods of measuring water loss is crucial for studying plant physiology and the effects of osmosis in plant cells. These techniques help researchers and students investigate how different environmental factors influence plant water relations and overall plant health.
This page introduces the concept of osmosis and its role in plant transport.
Osmosis is defined as the movement of water from a dilute solution to a more concentrated solution through a selectively permeable membrane. The page includes a diagram illustrating this process, showing water molecules moving from a dilute solution to a concentrated solution.
Definition: Osmosis is the movement of water from a dilute solution to a more concentrated solution through a selectively permeable membrane.
The page also covers the effects of osmosis on plant cells:
Highlight: Turgor pressure in plants is crucial for maintaining cell structure and preventing excessive water intake.
Vocabulary: Plasmolysis is the condition where a plant cell loses too much water, causing the cell contents to shrink and the cell membrane to pull away from the cell wall.
Biology - knowledge organiser
Learn how to improve your memory retention by using different cognitive skills and techniques.
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Biology - Combined sci trilogy higher bio p1
gcse combined science trilogy higher tier biology paper 1 (12 of may 2020) questions with answers
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Biology - AQA November 2021 Biology Paper 1 (Higher)
This a past paper from November Higher Tier Biology Mark Scheme: https://files.cognitoedu.org/files/3%20-%20GCSE/1%20-%20Past%20Papers/5%20-%20Combined%20Science/1%20-%20AQA%20[EB]/1%20-%20Higher%20[HF]/AQA-GCSE-Combined-Science-Biology-Higher-November-2
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Biology - specialised cells
sperm cells, nerve cells, muscle cells, root hair cells & phloem and xylem cells
13
147
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Biology - Biology photosynthesis and respiration
Biology year 8 unit 2- photosynthesis and respiration
28
240
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Biology - plant + animal cells / organ systems
basically just mind maps and notes
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Average app rating
Pupils love Knowunity
In education app charts in 12 countries
Students have uploaded notes
iOS User
Philip, iOS User
Lena, iOS user
