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Which one of the following is an example of a structural polysacharride A trehalose B glycogen C amylose D fructose E hyaluronate?
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Hyaluronate (hyaluronic acid) is the structural polysaccharide and is present abundantly in the extracellular fluid.
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∙ 14y ago
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What is alpha 1-1 linkage?
Trehalose, also known as mycose or tremalose, is a natural alpha-linked disaccharide formed by an α,α-1,1-glucoside bond between two α-glucose units. Is a type of bond.
How many differatn types of monomers are there in starch?
There is but one monomer of Starch - it is called Glucose. The word/term "saccharides" means sugars. STARCH is a sugar that plants store for future use.
What is combined to form glucose?
They form Sucrose, a type of disaccharide
Is sucrose sugar?
No. Sucrose has a relative sweetness of 1.0, while Splenda (Sucralose) of the same quantity is about 600 times sweeter. Fructose is the sweetest of all natural sugar types, with a relative sweetness of 1.73. Xylitol is roughly as sweet as sucrose. Glucose, which is the main component of starch, has a relative sweetness of 0.6-0.7. Of all the sugars, Lactose is the least sweet, with a relative sweetness of 0.16.
Trehalose in cosmetic preparation?
Trehalose is a sugar which is found actually in cactus plants. It is this sugar which protects cactus from drying in deserts and retaining water as trehalose has a property of retaining water. This ingredient is used in cosmetics preparation for dry skin. Trehalose protects dry skin and retains moisture of the skin.
What is structure of trehalose?
Trehalose (or mycose) is a disaccharide composed of two glucose residues. The glucose residues are linked by an α 1→4 glycosidic bond.
When 2 glucose molecules are combined what is formed?
Maltose, Trehalose and Cellobiose are all formed solely from glucose molecules. Less common disaccharides of glucose include: Kojibiose, Nigerose, Isomaltose, β,β-Trehalose, α,β-Trehalose, Sophorose, Laminaribiose and Gentiobiose.
How many kinds of monomers are there in startch?
5 monomers sucrose, lactose, maltose, trehalose, cellobios.
What are two compounds that are made from glucose molecules bonded in different ways?
Examples: maltose and trehalose.
How many different kinds of monomers are there in startch?
5 monomers sucrose, lactose, maltose, trehalose, cellobios.
What are the examples of disaccharide?
sucrose (common sugar), lactose, lactulose, trehalose, maltose, and cellobiose are common disaccharides.
Do Belgica Antarctica bite humans?
This animal -- a midge -- survives on and stores trehalose, glucose, and erythritol, which is not sourced in humans.
Two monosaccharides in trehalose?
As you look at the structural formula of Trehalose, look to the left side of it. Depending how it's drawn convert just that side to a Haworth projection to make it easier. Then turn that into a monosacharide. A monosaccharide has a C=O or HC=O right? "can't be hydrolized to a simpler compound" but i like to think of easier terms. Cn H2n On is the basic formula. once you have your haworth projection drawn take of the OH on Carbon number 1 to turn it to a monosaccharide. and draw it out in the Fischer projection. Then pull out your handy dandy table (should be in your book) on the names of them. and if you match the picture correctly you should get GLUCOSE now the second one. Repeat the steps. now the second one is upside down which is a bit tricky, but you can see that it is also GLUCOSE THE FINAL ANSWER: Trehalose conists of 2 glucose monosaccharide units.
What are the names of two non-reducing sugars?
The disaccharides Sucrose and Trehalose are both non-reducing sugars.
How long must a common housefly fly without resting in order for it to die of exhaustion?
Studies show that the housefly uses a compound called treahlose to give it the energy for flight.The study in the link shows that a housefly allowed to fly for 4.5 hours, when fed treahlose was able to fly again with being forced to, so it appears to depend on its access to this energy source.It also states that flies who did not have access to treahlose were unable to fly after flight exhaustion.I've often wondered how long I'd need to chase a fly around a room before it dropped dead. If it takes 4.5 hours, I don' think I'll bother. It'd probably just land and walk around indefinately... until I squashed it.The male housefly, Musca domestica, utilizes trehalose during flight. However, the rate of utilization of treahlose is most rapid during the first few minutes of continuous flight (i.e. during the first 5 min of flight, the rate of utilization of trehalose is 187 μg/thorax per hr; this results in a thoracic trehalose level of one-third of that of the unflown fly, after 5 min of flight). However, as the period of flight is extended, the apparent rate decreases very rapidly, so that the thoracic trehalose level actually continues to rise with increasing duration of flight period. It is concluded that, following initial rapid utilization of trehalose, a secondary metabolic pool becomes implicated, so as to restore (and maintain) the thoracic trehalose levels at as high as 50 per cent of that of unflown flies, for thoraces of flies which have been permitted to fly for as long as 4·5 hr. Flight-exhausted flies, when fed on a solution of glucose, fructose, maltose, sucrose, and trehalose, resumed flight, without external stimulation, but feeding galactose, mannose, and cellobiose failed to do so. However, injection of solutions of glucose, fructose, sucrose, and trehalose did not initiate flight in such flight-exhausted flies. These data indicate that a complex, metabolic route is normally involved in the energizing of flight.
What has the author Gregory S Retzinger written?
Gregory S. Retzinger has written: 'The role of surface in the biological activities of the mycobacterial glycolipid trehalose 6,6'-dimycolate'
