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Photosynthesis
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- The function of a leaf is photosynthesis - to absorb light and carbon dioxide to produce glucose (food). The equation for photosynthesis is: (text {carbon dioxide and water} rightarrow text {glucose and oxygen}) Leaves are also involved in gas exchange.
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How are cells structured? Learn about the size and function of plant and animal cells for GCSE Combined Science, AQA.
- Comparing Sizes
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- Leaf Structure
Description of a plant cell in which the vacuole has swollen...
- Plant Organisation
Plant leaves are adapted for photosynthesis and gas...
- Comparing Sizes
- Epidermis
- Palisade Mesophyll
- Spongy Mesophyll
- Vascular Bundle
An epidermal leaf cell is any cell which protects the outside of the leaf. These cells are often short and flattened, much like a square pancake. They form a protective layer over the leaf. They often produce waxy substances which protect the leaf from drying out or being attacked by insects. A leaf cell in the epidermis often lacks chloroplasts, t...
The palisade mesophyll consists of a type of leaf cell specifically designed to carry out photosynthesis. These cells are absolutely packed with chlorophyll, and simply work their hardest to pump out as much sugar as they can. This sugar they release into the intracellular space, where it works its way to the next type of leaf cell.
Spongy mesophyll is exactly what it sounds like: a loose matrix of structural mesophyll cells. These cells are not neatly packed into rows like the palisade cells. Rather, they form networks around bundles of vascular cells, and transport materials to and from the bundles. Like palisade mesophyll leaf cells, they can photosynthesize, but they carry...
The last type of leaf cell is not specific to the leaf, as it travels the entire length of the plant. The cells around the xylem and phloem together make the vascular bundle. These highly specialized cells allow water and minerals to flow up from the roots, while transporting the products of photosynthesis to the entire plant. Like the arteries and...
Description of a plant cell in which the vacuole has swollen due to water gain by osmosis. its guard cells are. The stomata can open and close to: regulate transpiration
Oct 31, 2023 · The mesophyll of most leaves typically contains two arrangements of parenchyma cells: the palisade parenchyma and spongy parenchyma. The palisade parenchyma (also called the palisade mesophyll) aids in photosynthesis and has column-shaped, tightly-packed cells.
Plant leaves are adapted for photosynthesis and gas exchange. Roots absorb water and mineral ions through root hair cells and are transported up the plant by the xylem.
Jul 31, 2022 · Leaves are the main sites for photosynthesis: the process by which plants synthesize food. Most leaves are usually green, due to the presence of chlorophyll in the leaf cells. However, some leaves may have different colors, caused by other plant pigments that mask the green chlorophyll.
Describe the microscope internal structure of leaves, including the epidermis, mesophyll, and vascular bundles. Compare the adaptations of mesophytic, hydrophytic, and xerophytic leaves. Identify the unique features of pine and corn leaves. Compare the structures of sun and shade leaves.
Research published open access with eLife Assessment and Public Reviews. Read Plant Biology research from epigenetics, genomics, metabolism to microbe interactions
