Chloroplast – Definition, Structure, Distribution, function and Diagram

Chloroplasts, found in plant cells, are defined as organelles that contain chlorophyll. They have a complex structure with outer and inner membranes, stroma, thylakoid membranes and grana. Functionally, chloroplasts play a key role in photosynthesis. They convert light energy into chemical energy, produce ATP and oxygen and fixing carbon dioxide. The diagrams illustrate the structure and functions of chloroplasts in plant metabolism.

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mitochondria short note

Short Note on Mitochondria

Mitochondria, the ‘Powerhouse of the cell’, are double-membrane organelles found in eukaryotic organisms. They function as the cell’s digestive system and play an important role in energy production through oxidative phosphorylation. With their unique structure and multiple functions, mitochondria regulate metabolism, promote cell growth, detoxify ammonia, induce apoptosis and maintain calcium ion balance, making them essential for cellular activities.

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Endocytosis and Exocytosis - Differences , Similarities ,Roles, Steps , Types

Endocytosis and Exocytosis – Differences , Similarities ,Roles, Steps , Types

Endocytosis and Exocytosis are cellular processes used to move molecules in and out of cells, respectively. Endocytosis involves the formation of a vesicle to engulf and transport molecules into the cell, while exocytosis involves the fusion of a vesicle with the plasma membrane to release molecules out of the cell. These processes play important roles in nutrient uptake, waste elimination, cell communication etc.

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What is Endocytosis – Class 9

Endocytosis allows cells to take in external materials by forming vesicles that fuse with the cell membrane. This process is vital for nutrient uptake and immune function. There are three steps and three types of Endocytosis. Phagocytosis engulfs particles, while Pinocytosis takes up fluids and solutes. Receptor-Mediated Endocytosis uses specific receptors to target and internalise molecules.

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What is Endocytosis

Endocytosis -Definition, Mechanism, Types, Examples

Endocytosis is a cellular process by which cells absorb molecules and particles from the external environment by engulfing them within a vesicle. There are three main types of endocytosis – phagocytosis, pinocytosis, and receptor-mediated endocytosis. Endocytosis plays a crucial role in nutrient uptake, immune defence and cellular signalling. Examples of endocytosis include the uptake of bacteria by immune cells and the absorption of nutrients by intestinal cells.

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Xylem Diagram

A neatly labeled xylem diagram to understand xylem tissue. Xylem consists of vessel elements, tracheids, fibers and parenchyma cells each with unique functions in water and nutrient transport and structural support. Important features such as cytoplasm, the nucleus and bordered and simple pits are also shown in the diagram. Students can use this easy-to-draw diagram for their assignments and exams.

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Components of Xylem

Xylem is a vital plant tissue responsible for the transport of water and nutrients from the roots to the leaves. It is made up of several components, including tracheids, vessel elements, fibers and parenchyma cells. Tracheids and vessel elements form long tubes that allow for efficient water transport, while fibers provide structural support. Parenchyma cells help with storage and metabolic functions.

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Difference between Xylem and Phloem - explained in details in tabular format

15 Difference between Xylem and Phloem

Xylem and phloem are vital plant tissues with different tasks. Xylem transports water and nutrients upwards from the roots, while the phloem transports sugars from the leaves to other parts of the plant. Their composition, flow direction, location, transport mechanism, speed of movement, response to injury, fibres, distribution, movements and roles within plants provide fascinating insights.

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Phloem Diagram – Longitudinal and Transverse Section Diagram of Phloem Tissue

The Phloem is a plant tissue responsible for translocating organic nutrients and other substances from leaves to other parts of the plant. Longitudinal and Transverse Phloem Diagrams show the internal structure of the tissue, including Sieve tubes, Companion Cells, Phloem Fibers and Phloem Parenchyma cells.Netaly labelled easy to draw Phloem Diagram – Longitudinal and Transverse Section Diagram of Phloem Tissue explained with description of Labels

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Xylem - Definition , Structure, Components (Types), Functions And Importance

Xylem – Definition , Structure, Components (Types), Functions And Importance

Xylem is a specialized tissue in vascular plants that transports water and minerals from roots to the rest of the plant. It is composed of tracheids, vessel elements, xylem parenchyma, xylem fibers and xylem rays. Water transport is driven by root pressure and transpiration pull. Xylem provides structural support, stores nutrients and transports signaling molecules. Its transport mechanism is a combination of physical and biological factors.

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