| A | B |
|---|---|
| What cell part supports the cell and might be made of cellulose or chitin? | cell wall |
| What part of the cell forms a barrier between the cell and its environment? | cell membrane |
| What part of the cell keeps the cell membrane from collapsing? | cytoskeleton |
What cell part supports the cell and might be made of cellulose or chitin which are strong materials?
The main functions of the cell wall are to provide structure, support, and protection for the cell. The cell wall in plants is composed mainly of cellulose and contains three layers in many plants.
What organelle is made of cellulose or chitin?
The cell wall of plants is made of cellulose; that of fungi is made of chitin. Central vacuole—a large organelle found only in plant cells which is used as a storage area for water, electrolytes, amino acids, waste materials, and other substances.
Which organelle is made of cellulose and supports the cell?
The cell wallThe cell wall of plant cells is made from cellulose. This gives them a rigid structure.
Is a cell membrane made of cellulose?
Cellulose- It is the primary constituent of the cell wall of green plants. Lipid and hemicelluloses- It is the chief constituent of the cell wall of plants. The correct answer is (A). Cell membrane is made up of phospholipids and proteins.
What cell wall is made of chitin?
fungiChitin, a biopolymer of N-acetylglucosamine with some glucosamine, is the main component of the cell walls of fungi, the exoskeletons of arthropods such as crustaceans and insects, the radulas of mollusks and the beaks of cephalopods.
What cell walls contain chitin?
Fungi are the only organisms that have cell walls made of chitin.
Which part of the plant cell contains cellulose?
The cell wallThe cell wall is composed of a network of cellulose microfibrils and cross-linking glycans embedded in a highly cross-linked matrix of pectin polysaccharides.
Which 3 organelles support the plant cell and help it to maintain its shape?
Plant cells have a rigid cell wall, a large central vacuole, and plastids.
What organelles support the plant cell and help it to maintain its shape?
Answer and Explanation: A central vacuole is the organelle in plant cells that stores water and helps to maintain the plant's shape.
Is cytoplasm made of cellulose?
Animal and plant cells have certain structures in common. A jelly-like material that contains dissolved nutrients and salts and structures called organelles....Plant cells.Cell structureHow it is related to its functionCell wallMade from cellulose fibres and strengthens the cell and supports the plant.2 more rows
Where is cellulose found?
Cellulose is the most abundant biopolymer, as it comprises the major structural component of the cell walls of lower and higher plants. We find high cellulose contents in stalks and stems and in other woody parts of plants.
What made up of cell membrane?
What Are Cellular Membranes Made Of? With few exceptions, cellular membranes — including plasma membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains.
Where are cellulose and chitin found?
Chitin occurs in the cell wall of fungi and makes up the exoskeleton of arthropods while cellulose occurs in the cell wall of plants and algae.
Where is chitin found?
Chitin, which occurs in nature as ordered macrofibrils, is the major structural component in the exoskeletons of the crustaceans, crabs and shrimps, as well as the cell walls of fungi.
Is chitin and cellulose the same?
Chitin is formed by a series of glycosidic bonds between substituted glucose molecules. Chitin is different from cellulose because of the substitution that occurs on the glucose molecule. Instead of a hydroxyl group (OH), the glucose molecules in chitin have an amyl group attached that consists of carbon and nitrogen.
What is the function of cellulose and chitin?
1) and in biological function. Both polymers mainly serve as structural components supporting cell and body surfaces: cellulose strengthens the cell wall of plant cells, whereas chitin contributes to the mechanical strength of fungal cell walls and exoskeletons of arthropods ( Rudall and Kenchington ...