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What substance can diffuse through a differentially permeable membrane?
Diffusion across a membrane in biology is referred to as 'osmosis' & osmosis is the process by which solvent molecules move from a region of high conc. to low concentration and this can therefore occur only in one direction at a time for a perticular solution. this is a really smart answer im surprised
Why would the body use facilitated diffusion to move the amino acids instead of diffusion?
Facilitated diffusion is used for amino acids because they are polar molecules and cannot diffuse through the cell membrane on their own. Facilitated diffusion relies on carrier proteins to transport amino acids across the membrane, helping them move from an area of high concentration to low concentration. This process is quicker and more efficient than simple diffusion for polar molecules.
What do fatty acids make up in the human body?
Fatty acids make up cell membranes and are used as a source of energy in the human body.
Do nucleic acids include sugars and lipids?
Nucleic acids do contain sugars, in the form of ribose or deoxyribose in DNA and RNA molecules. Lipids are not typically found in nucleic acids but are essential components of cell membranes.
What are 2 substances that diffuse freely across a cell membrane?
CO2, H2O, and O2 can all diffuse across a cell membrane. Also, small polar molecules (uncharged) and hydrocarbons easily diffuse across.
What types of molecules diffuse through the cell membranes by facilitated diffusion?
Molecules that are charged or polar, such as ions, glucose, and amino acids, diffuse through cell membranes by facilitated diffusion. This process relies on carrier proteins or channel proteins to help facilitate the movement of these molecules across the membrane.
What can diffuse through the intestinal wall?
Nutrients such as glucose, amino acids, and fatty acids can diffuse through the intestinal wall for absorption into the bloodstream. Water and electrolytes can also diffuse through the intestinal wall to maintain fluid and electrolyte balance in the body.
What substance can diffuse through a differentially permeable membrane?
Diffusion across a membrane in biology is referred to as 'osmosis' & osmosis is the process by which solvent molecules move from a region of high conc. to low concentration and this can therefore occur only in one direction at a time for a perticular solution. this is a really smart answer im surprised
Which molecule would most likely be actively transported?
A larger molecule or a polar molecule that cannot passively diffuse through the cell membrane would most likely be actively transported. Examples include glucose, ions (such as sodium and potassium), and amino acids.
Why would the body use facilitated diffusion to move the amino acids instead of diffusion?
Facilitated diffusion is used for amino acids because they are polar molecules and cannot diffuse through the cell membrane on their own. Facilitated diffusion relies on carrier proteins to transport amino acids across the membrane, helping them move from an area of high concentration to low concentration. This process is quicker and more efficient than simple diffusion for polar molecules.
What part of the cell membranes does not mix with water?
fatty acids
What makes up part of the Cell's membranes?
The main 'component' of the Cell's membranes are fatty acids, also known as lipids.
What produces phospholipids?
Phospholipids are produced by the endoplasmic reticulum in cells. They are essential components of cell membranes and are synthesized through a series of enzymatic reactions involving various precursors such as glycerol and fatty acids.
Where does phosphate resides?
in the plasma and membranes, phospholipids, also nucleic acids.
Amino acids tend to diffuse from blood capillary to adjacent cell because?
Because cells need the amino acids to produce proteins.
Which group of fats are absorbed pass through the intestinal cells and diffuse into capillaries and thus directly into the blood stream?
Water-soluble glycerol and short and medium chain fatty acids.
What is one example of a substance using faciliated transport?
fatty acids membranes
