The reason as to why certain carbohydrates are called sugars is to be stated. Concept introduction: Carbohydrates are the polyhydroxy aldehydes or ketones or in other words, the substances that give polyhydroxy aldehydes or ketones are called carbohydrates. On the basis of the structural differences, carbohydrates are classified as monosaccharides, disaccharides and polysaccharides.

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 17, Problem 17.24E

Interpretation Introduction

Interpretation:

The reason as to why certain carbohydrates are called sugars is to be stated.

Concept introduction:

Carbohydrates are the polyhydroxy aldehydes or ketones or in other words, the substances that give polyhydroxy aldehydes or ketones are called carbohydrates. On the basis of the structural differences, carbohydrates are classified as monosaccharides, disaccharides and polysaccharides.

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Leucine is an essential amino acid with the systematic name 2-amino-3-methylpentanoic acid. It has pai 2.36 and pKa2 = 9.60. H2N-C(R)H-COOH and R is -CH2-CH(CH3)2 A. Draw the condensed structure for leucine, and label all chirality centers with an asterisk. B. How many possible stereoisomers of leucine are there? C. Draw a Fischer projection of L-leucine and label the chirality center(s) as R or S. D. What is the p/ of leucine? E. Draw the structure of the predominant form of leucine at 10.00. F. Draw the structure of the predominant form of leucine at pH = 1.50. G. Leucine is described as an essential amino acid. What does this mean? H. Show the alkyl halide you would use to prepare leucine by the amidomalonate method. =

Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 17, Problem 17.24E

Interpretation Introduction

Interpretation:

The reason as to why certain carbohydrates are called sugars is to be stated.

Concept introduction:

Carbohydrates are the polyhydroxy aldehydes or ketones or in other words, the substances that give polyhydroxy aldehydes or ketones are called carbohydrates. On the basis of the structural differences, carbohydrates are classified as monosaccharides, disaccharides and polysaccharides.

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Answer 3

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 17, Problem 17.24E

Interpretation Introduction

Interpretation:

The reason as to why certain carbohydrates are called sugars is to be stated.

Concept introduction:

Carbohydrates are the polyhydroxy aldehydes or ketones or in other words, the substances that give polyhydroxy aldehydes or ketones are called carbohydrates. On the basis of the structural differences, carbohydrates are classified as monosaccharides, disaccharides and polysaccharides.

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Answer 4

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 17, Problem 17.24E

Interpretation Introduction