Which of these are examples of epimers? Altrose & galactose Xylose & arabinose Lactose & mannose Ribulose & ribose
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Which of these are examples of epimers?
- Altrose & galactose
- Xylose & arabinose
- Lactose & mannose
- Ribulose & ribose
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- Which of the following correctly describes the linkages found in adenosine triphosphate N-C glycosidic bond, phosphoester bond and phosphodiester bonds N-C glycosidic bond, phosphoester bond and phosphoanhydrides bonds phosphoester bond and phosphoanhydrides bonds N-C glycosidic bond, and phosphoanhydrides bondsIn this step of purine biosynthesis, which functional group gets activated by ATP Pribose NH, ATP Carboxyaminolmidazole ribonedeotide Asp AD Fumarate Pribose NH, S-Aminolmidazole- 4(N-succinylcarboxamide) ribonucleotide O Carboxyaminoimidazole ribonucleotide COOH O Carboxyaminoimidazole ribonucleotide NH2 O Asp side chain COOH O Asp main chain NH2 O Asp main chain COOHWhich of the following is a non-reducing sugar? 2,3-di-O-methyl B-D-galactopyranoside 2-0-methyl-a-D-mannopyranoside Fructose 1-0-methyl-ß-D-glucopyranoside dextrin
- Why we use glutaraldehyde in production of biomaterials ? What can we use instead of glutaraldehyde?consider the following carbohydrates:Which of the following is an anomer of B-D-gulopyranose? O O го ОН H ОН H ОН H H ОН CH₂OH -II- H H ОН ОН CH2OH H ОН ОН CH2OH О 0. H CH2OH то Н H H ОН H H - о H ОН ОН H ОН H ОН ОН H О ОН ОН H N
- Explain the Titration profile of LysineConvert the Fischer projection to the Haworth projection of the a-furanose form by moving the substituents to the appropriate positions. The anomeric carbon is shown. CH₂OH -H Cyclization -OH -OH CH₂OH Answer Bank CH₂OH HO- -H H- OHThe anomer of a-D-glucopyranose is CH:OH он ÓH CH2OH он он он он CH,OH он он он он CH,OH он OH он ÓH ÇH;OH он он он он
- Although nonpolar compounds tend to dissolve and remain in fatty tissues, polar substances are more water soluble, and more readily excreted into an environment where they may be degraded by other organisms. Explain why methoxychlor is more biodegradable than DDT.Which of the structures below is that of О-а-D-glucopyranosy-(1->1)- а-D-glucoругanoside CH2OH CH2OH O. H H. он H. он H OH ÓH CH2OH HOH2 H. CH2OH CH2OH O. H H. он он H OH он CH2OH H. о, он он H он онWhat role do glycocalyces play in the ability of bacteria to survive and cause disease? (use at least 6 functions of a glycocalyx each function should describe the mechanism that allows the glycocalyx to help the bacteria survive and/or cause disease.)