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- Life on Earth depends on the process of photosynthesis, which happens inside the cells of the humble leaf. Energy-rich glucose molecules from photosynthesis feed the plant and provide a direct or indirect food source for all living things in the food chain. Leaves on a tree provide shade and suitable habitat for birds and animals.
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How does a leaf cell work?
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Why do leaf cells form a protective layer over a leaf?
What is the last type of leaf cell?
They keep plants securely in the ground and are covered with root hair cells which absorb water and nutrients from the soil. Other plant organs are leaves, stems and flowers. Animals. The...
- What are plant and animal cells?
Find out what animal and plant cells are and learn what the...
- What are plant and animal cells?
- 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...
Find out what animal and plant cells are and learn what the function of the cell wall and the nucleus is in this KS3 Bitesize biology article.
Plant cells, tissues and organs are adapted to their functions. The stem, root and leaves form an organ system that transports substances into, around and out of a plant. Part of...
Jul 30, 2019 · Leaves are vital to the overall health and survival of plants. Each type of leaf cell has a specialized function within the leaf that supports photosynthesis and respiration. The main parts of a leaf include the epidermis, stomata, mesophyll and vascular system. Some leaves also have trichomes.
- Mary Dowd
Plant cells have some specialized properties that make them distinct from animal cells. Learn how special structures, such as chloroplasts and cell walls, create this distinction.
May 17, 2023 · A plant cell is the basic building block of a plant. Plant cells, like all eukaryotic cells, contain a nucleus and other organelles, each with its distinct functions. However, plant cells also possess unique components that differentiate them from animal, fungal, and bacterial cells.
