Carbohydrate Sugars

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Structure of Glucose
Molecular Formula for Glucose?

C₆H₁₂O₆
Structure of Fructose?
Molecular formula for Fructose?

C₆H₁₂O₆
What is a disaccharide?

2 monomers put together
What is the disaccharide sucrose made from?
- Fructose and Glucose -
What is the Disaccharide Lactose made from?

Galactose + Glucose
Why do Fructose and Glucose act differently despite having the same molecular formula?

Because the molecules are arranged differently (Fructose has 2 external carbons; Glucose has 1 external carbon)
Polysaccharide

A polymer consisting of amino acid monomers covalently bonded together
Example of a polysaccharide

Cellulose
Cellulose representation
Functions of Polysaccharides
- Energy storage molecules
- Structural support
Equation for Condensation Synthesis and Hydrolysis?

H₂O ⇌ H⁺+ OH^-
Condensation Synthesis?
- Removal Water - To join monomers e.g. fructose and glucose to make sucrose
Hydrolysis?
- Addition of water - To break apart polymers into monomers
Amylose Representation
Amylopectin Representation
Molecular Formula for Carbohydrates?

C_nH_2nO_n
Where are Polysaccharides stored?

Chloroplasts where light energy is collected and where photosynthesis takes place. During photosynthesis starch id hydrolised into glucose for energy.
2 types of glucose?

Alpha and Beta
What type of glucose is cellulose made from?

Beta
What does Beta Glucose look like?
What does alpha glucose look like?
How beta glucose joins to form cellulose?
What is the name of the covalent bond formed in a condensation reaction?

Glycosidic bond

Author

gpiney

242383

Card Set

Carbohydrate Sugars

Description

Biology AS OCR

Updated

2013-10-23T17:58:12Z

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