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pyranose is a collective noun of carbohydrates that have a six membered ring system which is 5 carbons and one oxygen. example: glucose
Furanose is a collective noun of carbohydrates that have a five membered ring system which is 4 carbons and one oxygen. example: fructose
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What ketohexose and aldohexose are present in melezitose?
β-D-fructose and α-D-glucose
Is hydroxyl hydrophobic or hydrophilic?
Hydroxyl -OH is Hydrophilic (attracts water). This is due to the electronegativity of the oxygen atom in -OH which makes the functional group polar. This polarity attracts the also polar H2O molecule creating a hydrophilic effect.
What are three parts of a formula?
three parts of a formula
What is the formula for adenine?
The empirical formula for adenine is CHN.The molecular formula is C5H5N5.
What are the 3 names for the different sizes of sugar?
Names for carbohydrates are characteristic in that they end in '-ose'. For saccarides (sugars), they either have the prefix 'aldo' or 'keto' to signify whether they have aldehyde or ketone functional groups, respectively. The middle part signifies the number of carbons. Example: Aldotriose (sugar with aldehyde functional group and has three carbons) Ketopentose (sugar with ketone functional group and has five carbons) Aldohexose (ketone, six carbons)
What kind of sugar is used in RNA?
These are ribose sugars. In DNA, there are deoxyribose sugars. In ribose sugar (pyranose or furanose), we can see H and OH bond to the second carbon other than two carbon bonds.
Is glucose and aldopentose or aldohexose?
Glucose is an Aldohexose
Glucose is an aldohexose what does this mean?
Glucose is an aldohexose means that Glucose is a carbohydrate where it's molecular structure has 6 sides.
What is meant by alpha and beta carbohydrates?
The term Alpha and Beta carbohydrates refer to the configuration of the hydroxyl group on the anomeric carbon, or the number 1 carbon on aldoses, or the number 2 carbon in ketoses. If you are drawing the pyranose or furanose structures of these compounds, alpha refers to the hydroxyl group pointing down and beta refers to the hydroxyl being up.
What is an altrose?
An altrose is an aldohexose epimeric with mannose.
How many members are there in a pyranose ring?
six
Name a simple carbohydrate with 6 carbons?
A simple carbohydrate with 6 carbons is aldohexose or a six-carbon aldehyde. Aldohexose is a monosaccharide that has an aldehyde group on one end.
Manose how it is prepared?
Manose is a sugar monomer of the aldohexose series of the carbohydrates.
Draw the haworth projection of the furanose forms of D-arabinose?
hallo
Explain the differences and similarities of pyranose and furanose ring?
1.when the cyclic sturcture of glucose(hexose) is six-membered ring resembling the pyran ring, thus they are called pyranosewhile when hexoses are found in five-membered ring resembling furan ring, thus they are called furanose2.in aldohexose:The interaction between c=o and the secondary OH is found at c5 if it was pyranosethe interaction between c=o and the secondary OH is found at c4 if it was furanosein ketohexose:the interaction between c=o and the secondary OH is found at c6 if it was pyranosethe interaction between c=o and the secondary OH is found at c5 if it was furanose
What ketohexose and aldohexose are present in melezitose?
β-D-fructose and α-D-glucose
What do a glucose molecule and a fructose molecule have in common?
They both have the same molecular formula, C6H12O6, although their atoms are arranged differently. They are both simple sugars and can be metabolised for energy. They are both water soluble and taste sweet.
