What elements do a carbohydrate contain?
What does the word carbohydrate literally mean?
What is the general formula for carbohydrates?
What are carbohydrates also known as?
What is a single sugar unit known as (the building block)?
What are some examples of monosacharides?
Glucose, Fructose, ribose and galactose
What is the name of the product formed when two monosacharides join together?
What are some examples of polysacharides?
Glycogen, Cellulose, starch and chitin
What is the chemical formula for glucose?
Glucose contains six carbon atoms and therefore it is a.....
hexose monosaccharide (hexose sugar)
What are the names of the two structural variations of the glucose molecules?
Beta glucose and Alpha glucose
What is the structural difference between beta glucose and alpha glucose?
The hydroxyl group is in a different position
What is the group name for OH?
Draw the structure of alpha glucose
Draw the structure for beta glucose
Are glucose molecules soluble in water?
Yes, because they are polar molecules
How is the glucose molecule soluble in water?
Hydrogen bonds form between the hydroxyl group on the glucose molecule and the water molecule.
Why is it important that glucose is soluble in water?
It means that glucose is able to dissolve in the cytoplasmof cells
Draw a diagram of two glucose molecules undergoing a condensation reaction
What part of the glucose molecule reacts during a condensation reaction?
The hydroxyl group
What is the name of the reaction when two glucose molecules join together to form a new molecule?
A condensation reaction
Where on the glucose molecules does the new bonds form?
On carbons 1 and 4
What other molecule is produced during a condensation reaction?
What is the name of the covalent bond formed between the two glucose molecules?
1,4 Glycocidic bond
What is a disaccharide?
A molecule made up of two monosaccharides
What is the name of the disaccharide made from two glucose monsaccharides?
What are 3 types of hexose monosaccharides?
glucose, fructose and galactose
Where does fructose naturally occur?
What is sucrose commonly known as?
What is formed when fructose and glucose combine?