Consider the following molecule: Circle the anomeric carbon in the following structure and indicate whether it...
5 a) identify the anomeric carbon in the below molecule b) identify the thpe of ring pyranose or furanose c) identify if it is a or b 6 a) identify the anomeric carbon in the below molecule b) identify the thpe of ring pyranose or furanose c) identify if it is a or b 7 The structure of 6-carbon ketose sugar is shown. Draw the common cyclic structure of this structure (both a and b form) 8 Identify the relationship...
The following structure is that of ribose. Is this a furanose or pyranose form? Is it an alpha or beta anomer? ___ Is it a D or L sugar? ' Hq_0_0H HOCHZ OH
is the following sugar an aldose or ketose? why? what carbon is its anomeric carbon? is this sugar d or l? which structure (a-d) describes its beta- anomer? Н CH OH CH2OH CH OH -оон CH2OH ОН о ОН ₂ ООН ОН ОН ОН HO-31 ОН ОН ОН ОН ОН Нота-Н -Н НА-ОН Н -ОН 6CHOH ОН ОН ОН ОН A в D
Consider the structure of sucrose with labeled carbon atoms. Identify the anomeric carbon atoms of sucrose. Is sucrose a reducing or non-reducing sugar?
Answer and explain 5. a) On the structure of biomolecule (shown below), number the carbons. (3 pts) H H2 1.5 OH OH HOH20 OH CH2OH OH H OH Beta Alpha Allose b) Indicate for each monomer a) whether it is ketose OR aldose (2 pt) b) whether it is pyranese OR furanose (2 pt) chas alpha OR beta configuration at the anomeric carbon (2 pts)
1. Draw glucose B-D-glucose in a chair form, and circle the anomeric carbon. Why is the anomeric carbon significant? 2. Why is cyclization of sugars important? What does the concept of mutarotation indicate to us about dual roles of monosaccharides? Two part question: 3. Why are monosaccharides most commonly found in pyran and furan ring forms, rather than: A) other ring motifs -(think along the lines of: why NOT 3,4, or 7 membered rings)? B) in their linear form? 4....
please help with questions! Chapters 21 and 22 1. Consider the structure shown on the right and answer the following questions about it (fill in blanks or circle proper choice). f4 tl a. Its molecular formula is CH,O 似 and so it fits the general formula for a carbohiydrate, which is C(O b. Specifically, this structure is (a D) an L.) (aldojketo) (pent/hex (ase/ c. Will it be optically active? s d. If the top carbon was converted to a...
The following model is that of an aldopentose. Draw the BETA anomer of the sugar in its furanose form. Use wedge & dash to indicate stereochemistry. 0 labels T..(labels ball & stick the beta anomer of the sugar in its furanose form. . Use the wedge/hash, bond tools to indicate stereochemistry . If a group is achiral, do not use wedged or hashed bonds on i . Use the "flat" representation of rings in your drawing.
Draw the structure of the disaccharide α -glycosyl(1-6)-galactose in the β anomeric form and circle the part of this structure that makes the compound a reducing sugar.
12. Circle each anomeric carbon in the sugars below. (2 points) Which of the sugars below is a reducing sugar? (1 point) Which sugar contains a glycosidic linkage? (1 point) CH-OH носно он н и носн,он они нон glucose fructose он Ин Н CH,он нон носно А он нон но/н,он и онон н sucrose 13. Extra credit: What type of enzyme catalyzes phosphate transfer? What type of enzyme usually catalyzes the rearrangement of a molecule? (2 points each)