Carbohydrates

Poll

Before we have our class, do you have any idea/s about carbohydrates?

• Yes, I'm expert on it

• No idea

• Yes, but I want to know more!

Multiple Choice

What atoms make up all carbohydrates?

• Carbon, Hydrogen, Sulfur

• Carbon, Hydrogen, Oxygen

• Carbon, Oxygen, Nitrogen

• Carbon, Sodium, Hydrogen

2n Rule

When a molecule has more than one

chiral carbon, each carbon can

possibly be arranged in either the

right-hand or left-hand form, thus if
there are n chiral carbons, there are

2n possible stereoisomers.

Multiple Choice

Identify if this is Chiral or Achiral

• Chiral

• Achiral

Multiple Choice

Identify if this is Chiral or Achiral

• Chiral

• Achiral

Multiple Choice

Identify if this is Chiral or Achiral

• Chiral

• Achiral

Multiple Choice

Identify if this is Chiral or Achiral

• Chiral

• Achiral

Multiple Choice

Identify the relationship between these two

• Enantiomer

• Diastereomer

• Neither of the two

Multiple Choice

Identify the relationship between these two

• Enantiomer

• Diastereomer

• Neither of the two

Multiple Choice

Identify the relationship between these two

• Enantiomer

• Diastereomer

• Neither of the two

Multiple Choice

Identify what stereoisomer configuration is this

• L - isomer

• D - isomer

Multiple Choice

Identify this structure

• Idose

• Glucose

• Allose

• Galactose

Multiple Choice

Identify this structure

• Idose

• Glucose

• Gulose

• Talose

Multiple Choice

Identify this structure

• Altrose

• Glucose

• Allose

• Talose

Multiple Choice

Which of the following would be correct Haworth projection for b-D-Talose (linear form is provided)?

Fill in the Blank

Uses enzymes to convert from sugar into this acid

Multiple Choice

The brain sugar

• Glucose

• Galactose

• Fructose

• Ribose

Multiple Choice

The blood sugar

• Glucose

• Galactose

• Fructose

• Ribose

Multiple Choice

The fruit sugar

• Glucose

• Galactose

• Fructose

• Ribose

Multiple Choice

Disaccharide with galactose and glucose in it

• Maltose

• Lactose

• Sucrose

• Cellobiose

Multiple Choice

Which of the following glycosidic linkage is found in maltose?

• Glucose (α-1 – 2β) Fructose

• Glucose (α1 – 4) Glucose

• Galactose (β1 – 4) Glucose

• Glucose (β1 – 4) Glucose

Multiple Choice

The only blood type with no fifth monosaccharide

• Type O

• Type A

• Type B

• Type AB

Multiple Choice

The only blood type with N-acetyl galactosamine attached to the red blood cell.

• Type O

• Type A

• Type B

• Type AB

Multiple Choice

Due to its increase in branching of the structure, this type of starch is more soluble to water.

• Amylose

• Amylopectin

Multiple Choice

The following are the sites of storage for the glycogen, EXCEPT

• Liver cells

• Muscle cells

• Red blood cells

Multiple Choice

The 2nd most abundant naturally occuring polysaccharide

• Starch

• Chitin

• Glycogen

• Cellulose

Please answer the following questions before pushing through.

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​Exit Exam Checkpoint

Multiple Choice

1. Which of the following would be correct Haworth projection for b-D-Talose (linear form is provided)?

Multiple Choice

What is the relationship between the following monosaccharide

• 1 and 2 are enantiomers, while 2 and 3 are diastereomers

• 1 and 2 are diastereomers, whiles 2 and 3 are diastereomers

• 1 and 2 are enantiomers, while 2 and 3 are enantiomers

• 1 and 2 are diastereomers, while 2 and 3 are enantiomers.

Multiple Choice

Carbohydrates that cannot be hydrolyzed to compounds with simpler molecules?

• Oligosaccharides

• Monosaccharides

• Disaccharides

• Polysaccharides

Multiple Choice

Name the major storage form of glucose in animals

• Cellulose

• Glycogen

• Chitin

• Starch

Multiple Choice

The only carbohydrate which is NOT having any chiral carbon atom

• Erythrose

• Erythroluse

• Glyceraldehyde

• Dihydroxyacetone

You can now leave. Thank you!

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