What organisms are able to digest cellulose?
Micro-organisms, such as bacteria, are able to digest cellulose.
No mammals are able to digest cellulose. This is because cellulose contains a β(1,4) linkage that no mammalian enzyme can break. This is why herbivores must have symbiotic bacteria somewhere in their digestive system that help them break down cellulose.
Technically no. All animals with a vertebrate cannot digest cellulose on their own. However, animals such as cows and rats do get the nutrients from bacteria. Unlike in humans, rats have an enlarged caecum, which is where the fermentation of cellulose occurs. Microorganisms like bacteria live in the caecum and they are able to digest the cellulose. The bacteria in turn, is digested by the rat and that is how it attains the cellulose.
cellulose basically found in plants human being can not digest the cellulose but animal can digest very well and easily specially herbivores animals. we see that cellulose not digest in human being but its important nutrients for human beings becoz its contain fiber which non digest able carb. the function of die trey fibers decrease the absorptions of glucose cholesterol form in intestine
Well some animals can digest cellulose, such as cows.. However human cant digest cellulose because we dont have the enzyme to breakdown cellulose. Cows have bacteria that makes the enzyme to breakdown cellulose in their digestive system, thats why they can digest Cellulose, but we dont have the bacteria and that kind of enzyme.
The animals that are able to digest cellulose are the ones who were designed to do so. For example cows, elephants and some termites are able to do so. These animals have bacteria, larger enzymes and complex digestive systems do to so. Animals such as herbivores need these complex digestive tracts because they do not eat mean, therefore they need a greater supply of energy (from cellulose) to loco-mote (move).
To digest cellulose, organisms must produce the enzyme cellulase. Humans and termites are unable to produce cellulase themselves but termites have living in their gut simple organisms (protozoa and bacteria) which can produce the enzyme. This is an example of mutualism - a relationship between two species in which both organisms benefit. The protoza and bacteria benefit by receiving a constant supply of food (wood) from the termite. The termite benefits from the energy-rich sugar…
Cellulose is considered roughage because it is not digestible. Only organisms that are aided by certain bacterias that are not present in humans can digest cellulose. Cellulose is a polysaccharide because it is made up of glucose monomers bonded together through dehydration reactions (releases H2O).
Cellulose cannot be digested by humans. Cellulose cellulose humans cannot digest cellulose cellulose Cellulose Cellulose (aka Fiber) can not be digested by humans because, we don't have the bacteria needed to break down cellulose. Sucrose, Maltose, and Fructose are all disaccharides (carbohydrates/sugars) and are all able to be broken down to glucose in the body.
In order for a substrate to be digested within any organism, the organism should possess the specific enzyme which has the capability to digest the specific substrate. The enzyme cellulase is required to digest cellulose, which is not present within the human digestive system. Ruminants digest cellulose by harboring commensals within their digestive tract. These commensals have cellulase and can digest cellulose.
Animals such as cows, horses, sheep, goats, and termites have symbiotic bacteria in the intestinal tract that contain the enzymes that allow them to digest cellulose in the GI tract. No vertebrate (animals with an internal skeleton) can digest cellulose directly; all must use the enzyme to break down cellulose.
Because they have extra digestive organs. human could digest cellulose if appendix (organ) has not been a vestigal organ in his body. According to http://www.elmhurst.edu/~chm/vchembook/547cellulose.html, no animal alone can digest... but some have symbiotic bacteria with the right enzymes to break cellulose down. "Animals such as cows, horses, sheep, goats, and termites have symbiotic bacteria in the intestinal tract. These symbiotic bacteria possess the necessary enzymes to digest cellulose in the GI tract. They have…
Humans and almost all organisms have symbiotic or non-symbiotic bacteria throughout the alimentary canal. This is due to the indigestibility of cellulose found abundant in plant material. Because of the way cellulose (fiber) is bonded, very few animals have the enzymes to digest it. The bacteria in the small intestine of a human, such as E. coli, are able to digest some of the organic material that we are not able to. One of the…