are hollow rods that shape and support the cell?
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Which of these are hollow rods that shape and support the cell? Microtubules are rods that also play a role in organelle movement.
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The bacterial flagellum is made up of the protein flagellin. Its shape is a 20-nanometer-thick hollow tube. It is helical and has a sharp bend just outside the outer membrane; this "hook" allows the axis of the helix to point directly away from the cell.
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In a mature flowering plant or tree, most of the cells that make up the xylem are specialised cells called vessels. Vessels: Lose their end walls so the xylem forms a continuous, hollow tube. Become strengthened by a chemical called lignin .
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Hollow Organs are the stomach, bladder, gall bladder, and the small and large intestines. Being hollow they contract more intensely or they are more active. ... Solid Organs are the liver, spleen, lungs, kidneys, and the heart. Being solid, they do not contract as actively as the hollow organs.
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What are the three basic shapes of prokaryotic cells? Spherical cocci, rod-shaped bacilli, and spirals.
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A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane.
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Although it is just one cell, it has adaptations that let it behave a bit like an animal: it produces pseudopodia (“false feet”) that let it move about. its pseudopodia can surround food and take it inside the cell. contractile vacuoles appear inside the cell, then merge with the surface to remove waste.
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Non-membranous organelles are not surrounded by a plasma membrane. Most non-membranous organelles are part of the cytoskeleton, the major support structure of the cell. These include: filaments, microtubules, and centrioles. Plasma membrane. Membranous organelles.
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At functional maturity, xylem cells are no longer living, yet they form elongated, hollow tubes to carry water and ions. ... The cell walls of xylem vessels, such as these, are reinforced with lignin; at functional maturity, the cells themselves are no longer living.
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Cell Walls: Most prokaryotic cells have a rigid cell wall that surrounds the plasma membrane and gives shape to the organism. In eukaryotes, vertebrates don't have a cell wall but plants do.
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The xylem tracheary elements consist of cells known as tracheids and vessel members, both of which are typically narrow, hollow, and elongated. Tracheids are less specialized than the vessel members and are the only type of water-conducting cells in most gymnosperms and seedless vascular plants.
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Answer: Cell are responsible for the structures and functions of organism.
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Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.
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Microtubules and Filaments. The cytoskeleton is a structure that helps cells maintain their shape and internal organization, and it also provides mechanical support that enables cells to carry out essential functions like division and movement.
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What are its functions? ANSWER - Plant cells do have an internal cyto [cell] skeleton, and like the skeleton of all organisms, the internal cytoplasmic molecular cytoskeleton supports the cell and gives some shape and rigidity to the cell while it carries on its functions for living.
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The cell is flexible and assumes a bell shape as it passes through extremely small blood vessels. It is covered with a membrane composed of lipids and proteins, lacks a nucleus, and contains hemoglobin—a red iron-rich protein that binds oxygen.
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Tiny Hair-like Cell Structures, Your Cilia, Can. ... Cilia, tail-like projections found on the surface of cells, are perhaps best known as molecular flippers that help cells move around.