1.4 starch Flashcards
1
Q
What are the 2 different types of chains in starch
A
Branched and unbranched
2
Q
What is the main role of starch
A
Energy store
3
Q
How is the structure of starch adapted to its function
A
Starch molecules are very large and insoluble meaning that they do not affect water potential and water is not drawn into its cells through osmosis. Does not diffuse out of the cells
4
Q
Why is starch a good energy store
A
Starch is a good energy store because it has a low mass to energy ratio meaning a lot of energy is present in a small space
5
Q
What is formed when starch is hydrolysed
A
Alpha glucose which is easily transported and readily used in respiration
