Molecules for life Flashcards
1
Q
molecule
A
when 2 or more atoms combine
2
Q
compounds
A
molecules that contain atoms of two or more elements
3
Q
important compounds in cells
A
carbohydrates, lipids, proteins, nucleic acids and water
4
Q
Organic compounds
A
always contain Carbon and Hydrogen
5
Q
Inorganic compounds
A
contain Carbon but dont ususally contain Hydrogen together. Carbonates contain H,C and O
6
Q
Carbohydrates
A
- a source of energy in living organisms *
Monosaccharides - Simple and single sugars
Disaccharides - double sugars
Polysaccharides - many sugars
7
Q
Polysaccharides
A
- many sugars *
Starches and cellulose. they also have the same structure.
8
Q
Starch
A
stored in plant cells. in the human body, it is stored mainly in the liver and muscles
9
Q
Cellulose
A
main component of plant cell walls. not found in animal cells.
