Distinguish between vacuoles, lysosomes, vesicles, tubules, lamellae, stromal lamellae, cisternae.
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Answers
Explanation:
Vesicles, tubules, and lamella are examples of mesosomes. They are formed by the folding of the cell membrane. Vesicles are small, membrane-bound sacs within a cell. Vesicles may contain fluids, such as vacuoles.
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Answer:
Vacuoles: A vacuole is a membrane-bound organelle. They are a kind of vesicle. Vacuoles are closed sacs, made of membranes with inorganic or organic molecules inside, such as enzymes. They have no set shape or size, and the cell can change them as it wants. They are in most eukaryotic cells and do many things.
Lysosomes: A lysosome (/ˈlaɪsəˌsoʊm/) is a membrane-bound organelle found in many animal cells. They are spherical vesicles that contain hydrolytic enzymes that can break down many kinds of biomolecules. A lysosome has a specific composition, of both its membrane proteins, and its lumenal proteins.
Vesicles: a vesicle is a structure within or outside a cell, consisting of liquid or cytoplasm enclosed by a lipid bilayer. Vesicles form naturally during the processes of secretion (exocytosis), uptake (endocytosis) and transport of materials within the plasma membrane.
Tubule: A tubule is: a small tube or fistular structure a minute tube lined with glandular epithelium any hollow cylindrical body structure a minute canal found in various structures or organs of the body a slender elongated anatomical channel Definition: A minute tube, especially as an anatomical structure.
Lamellae: A lamella (plural: "lamellae") in biology refers to a thin layer, membrane, or plate of tissue. This is a very broad definition, and can refer to many different structures. Any thin layer of organic tissue can be called a lamella and there is a wide array of functions an individual layer can serve.
Stromal lamallae: In higher plants thylakoids are organized into a granum-stroma membrane assembly. A granum (plural grana) is a stack of thylakoid discs. Chloroplasts can have from 10 to 100 grana. Grana are connected by stroma thylakoids, also called intergranal thylakoids or lamellae.
Cisternae: A cisterna (plural cisternae) is a flattened membrane disk of the endoplasmic reticulum and Golgi apparatus. A Golgi stack may contain anywhere from three to twenty cisternae, but most contain about six cisternae. Golgi cisternae can be separated into four classes; cis, medial, trans, and TGN (trans-Golgi network).