MEDIUM
AS and A Level
IMPORTANT
Earn 100
List five ways in which the molecular structures of glycogen and amylopectin are similar.
Important Questions on Biological Molecules
EASY
AS and A Level
IMPORTANT
Try making models of or drawing these molecules:
methane, CH4
EASY
AS and A Level
IMPORTANT
Try making models of or drawing these molecules:
water, H20
EASY
AS and A Level
IMPORTANT
Try making models of or drawing these molecules:
a hydrocarbon, e.g. C3H8
EASY
AS and A Level
IMPORTANT
Try making models of or drawing these molecules:
ammonia, NH3
EASY
AS and A Level
IMPORTANT
Try making models of or drawing these molecules:
ethanoic acid, CH3COOH
MEDIUM
AS and A Level
IMPORTANT
Make a table to show three ways in which the molecular structures of amylose and cellulose differ.
EASY
AS and A Level
IMPORTANT
'The protein-folding problem' box at the beginning of this chapter discussed how scientists are trying to predict the final shapes of proteins from a knowledge of their primary structures. What information about amino acids and proteins would be relevant to feed into a computer program trying to make such predictions?
MEDIUM
AS and A Level
IMPORTANT
Copy the table and complete both the columns. The table shows some functions of proteins, with examples of proteins that carry out these functions.
| Function | Example |
| structural |
1 2 |
| enzyme | |
| insulin | |
| haemoglobin and myoglobin | |
| defence | |
| actin and myosin | |
| storage |
