Define the term hormone.

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2016). The mark or mark type is shown in brackets.

1. [1] chemical (substance) ;
2. [1] produced by (endocrine/ductless) gland;
3. [1] (secreted) into/carried by blood ;
4. [1] (effect on) target organ;
5. [1] destroyed by liver;
6. [1] insulin is secreted when blood sugar/glucose is (too) high/lowers blood sugar/glucose levels ;
7. [1] (increased) sugar/glucose into cells ;
8. [1] reference to liver/muscle (cells) ;
9. [1] (converted) to glycogen;
10. [1] (glycogen) for storage/is insoluble ;
11. [1] diabetes;
12. [1] increased blood sugar/glucose concentration ;
13. [1] sugar/glucose in urine ;
14. [1] frequent urination;
15. [1] tired/thirsty/weight loss;
16. [1] insulin (by injection or tablet) ;
17. [1] dietary control;