1.2 Monosaccharides Flashcards
1
Q
What do all organic molecules contain?
A
Carbon
2
Q
What unusual feature does carbon have?
A
Readily forms bonds with other carbon atoms
3
Q
Monomer definition
A
Small molecules that combine to form a polymer
4
Q
3 examples of monomers
A
- Monosaccharides
- Amino acids
- Nucleotides
5
Q
Polymer definition
A
A large molecule made up of repeating monomers
6
Q
What are the 4 elements that most polymers are made up of?
A
- carbon
- hydrogen
- oxygen
- nitrogen
7
Q
Monosaccharide definition
A
Monomer from which larger carbohydrates are made
8
Q
2 properties of monosaccharides
A
- sweet tasting
- soluble
9
Q
3 monosaccharides
A
- glucose
- galactose
- fructose
10
Q
What is the general formula for monosaccharides
A
(CH2O)n
3<=n<=7
11
Q
Draw alpha glucose
A
Page 8
12
Q
Draw beta glucose
A
Page 8
13
Q
Test for reducing sugar
A
- heat and add Benedict’s reagent
- brick red precipitate forms, if present
14
Q
What are reducing sugars?
A
- all monosaccharides
- some disaccharides (e.g. maltose)
15
Q
Blue result of Benedict’s test
A
No reducing sugars
