Biological Molecules Flashcards
1
Q
What are biological molecules made of?
A
Carbohydrates
Lipids
Amino Acids
Nucleic Acids
2
Q
What are the important biological elements?
A
Nitrogen
Carbon
Hydrogen
Oxygen
Phosphorus
Sulfur
3
Q
What are carbohydrates used for?
A
- Commonly used by cells as respiratory substrates
- Form structural components in plasma membranes and cell walls
4
Q
What are lipids used for?
A
- Bilayer of plasma membranes + certain hormones
- Respiratory substrates
5
Q
What are amino acids used for?
A
- Form many cell structures
- Enzymes
- Chemical messengers
- Components of the blood (e.g haemoglobin)
6
Q
What are nucleic acids used for?
A
- Carry genetic code for production of proteins
- This genetic code is common to all living organisms, giving evidence of evolution
