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What substances are too large for carrier proteins?
Large molecules such as proteins and polysaccharides are usually too large to be transported by carrier proteins. These molecules are often transported through other mechanisms like endocytosis or exocytosis.
What are non-starch polysaccharides?
Non-starch polysaccharides are complex carbohydrates found in plant foods that are not starch molecules. They include fiber such as cellulose, hemicellulose, and pectins, and are important for digestive health and overall well-being. These polysaccharides provide bulk to the diet and are not broken down by human digestive enzymes.
Two polysaccharides that store glucose are?
If by 2 polysaccharides you mean any two, then some of the common examples would be cellulose, peptidoglycan, starch (amylose and amylopectin), hemicellulose, chitin, glycogen ........... the list is almost endless.
Why is it necessary for polysaccharides to be digested outside of the cell?
Polysaccharides are very large and therefore would require a lot of energy in order to transport across a cell wall. So cells will secrete exoenzymes to break the polysaccharides into smaller, monomeric portions and then absorb the monomeric portions in order to save energy.
Why can a more complex sugar polysaccharide store more energy than a monosaccharide?
Polysaccharides are large molecules made of multiple monosaccharide units, so they contain more chemical bonds that can be broken down to release energy through respiration. The breakdown process of polysaccharides is more gradual, providing a steady source of energy over a longer period compared to the rapid energy release from monosaccharides.
How are polysaccharides broken down in the body?
Polysaccharides are broken down in the body through the process of digestion. Enzymes in the digestive system break down polysaccharides into smaller sugar molecules, such as glucose, which can then be absorbed by the body for energy.
Which best describes food when it reaches the stomach?
The polysaccharides have been broken down.
How do you break down a polysaccharide?
Polysaccharides can be broken down by enzymes specific to the type of bonds present in the molecule. For example, amylase breaks down starch into simpler sugars like glucose. Polysaccharides can also be broken down through hydrolysis reactions with acids or bases.
What is the function of Polysaccharides?
What are the functions of polysaccharides?
What organic molecules that can be broken down during cellular respiration can be obtained from?
polysaccharides, proteins and lipids
What is the process by which disaccharides and polysaccharides can be broken apart?
Disaccharides are broken down by hydrolysis, which is the addition of water molecule, to turn into two monosaccharides
What substances are too large for carrier proteins?
Large molecules such as proteins and polysaccharides are usually too large to be transported by carrier proteins. These molecules are often transported through other mechanisms like endocytosis or exocytosis.
Process by which disaccharides and polysaccharides can be broken apart?
Hydrolysis
Why can we use potatoes as a food source but not wood?
the polysaccharides in the potato (i.e. long chain starches) can be broken down by cooking into short chain starches that can be digested by enzymes in the human gut to glucose, which provides nutritional valuethe polysaccharides in in wood (e.g. cellulose, pectin) cannot be broken down by cooking or by enzymes in the human gut, so it provides no nutritional value
How much sugar to polysaccharides contain?
Polysaccharides are complex carbohydrates composed of long chains of monosaccharide units, primarily glucose. They do not contain sugar in the same way that simple sugars do, as they are made up of many sugar molecules linked together. When digested, polysaccharides can be broken down into their constituent monosaccharides, releasing sugar into the bloodstream. Common examples of polysaccharides include starch, glycogen, and cellulose.
What are non-starch polysaccharides?
Non-starch polysaccharides are complex carbohydrates found in plant foods that are not starch molecules. They include fiber such as cellulose, hemicellulose, and pectins, and are important for digestive health and overall well-being. These polysaccharides provide bulk to the diet and are not broken down by human digestive enzymes.
What is the methods of polysaccharides starch?
Polysaccharides starch is primarily broken down by enzymes in the mouth and small intestine called α-amylase and amylase. These enzymes catalyze the hydrolysis of the glycosidic bonds between glucose units in the starch molecules, leading to the production of smaller sugars like maltose, maltotriose, and dextrins. These smaller sugars are then further broken down into glucose by other enzymes to be absorbed and used by the body for energy.
