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A cellular membrane — including plasma membrane and internal membrane — is made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains.
Creative Biogene
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Why is that high variation of protein composition in membrane?
high variation of protein composition in membrane?
What is the molecule Composition of Nuclear membrane?
dna
Maintenance of the composition of the cytoplasm is a function of the plasma membrane by?
osmosis
What is the composition of the mucous membrane?
it is composed of epitheal layer with under lying connectiv tissue
What is membrane sidedness?
The cell membrane regulates the flow of materials in and out of the cell. Membrane sidedness is an important concept in cell biology because to gives a better understanding on how the cell membrane functions.
Can phospholipids move laterally along the plane of the membrane?
Yes, phospholipids can move laterally along the plane of the membrane. This movement is known as lateral diffusion and it allows for flexibility in the structure of the cell membrane. Lateral diffusion is influenced by factors such as temperature and composition of the membrane.
How does the composition of a living cell affects its existence?
the composition of a cell by its nature affects its existence because cell is composed from different things like membrane,plasm, mitochondria etc...
What does membrane - bound sacks means?
When substances are too large to pass through the cell membrane directly (they'd leave a gaping hole), they are enclosed in a lipid sac that is similar in composition to the cell membrane. Instead of punching through the membrane, the sac merges with it allowing the large substance to exit the cell without damaging the membrane.
Explain how membrane fluidity influenced by membrane composition?
Saturated fats make the membrane stiff because they are solid at room temperature, and unsaturated fats like fish oil, which are liquid at room temperature, make it bend which helps the cell work better.
What organelles help the cell membrane?
Several organelles play a role in supporting and maintaining the cell membrane. The endoplasmic reticulum (ER) synthesizes lipids and proteins that are essential for membrane composition. The Golgi apparatus modifies, sorts, and packages these molecules for transport to the membrane. Additionally, vesicles facilitate the movement of materials to and from the cell membrane, aiding in communication and nutrient uptake.
How can E coli maintain a fluid cell membrane it at different temperature?
E. coli can maintain fluidity of its cell membrane at different temperatures by adjusting the composition of its membrane lipids. It can increase the proportion of unsaturated fatty acids in its membrane when exposed to low temperatures, which helps to keep the membrane fluid. Conversely, when exposed to high temperatures, E. coli can increase the proportion of saturated fatty acids to maintain membrane integrity.
What are some important questions about the cell membrane that researchers are currently investigating?
Researchers are currently investigating questions about the cell membrane's structure, function, and interactions with other cellular components. Some important questions include how specific molecules move across the membrane, how the membrane responds to different stimuli, and how its composition affects cell behavior.
