Businesses operate in markets that are constantly changing. Consumer tastes and expectations are always on the move. This case study examines a market-focused innovation developed by Nestl. It explores the development of Maggi 'A Natural Choice': a range of culinary (cooking) products that is primarily targeted at chefs.

1. What are cells with an enclosed nucleus called? What are the main elements of the nucleus?

2. Do eukaryotic cells have only one nucleus?

3. What substances is chromatin made of?

4. What are heterochromatin and euchromatin?

5. What is the relationship between the concepts of chromatin and chromosomes? Are euchromatin and heterochromatin a part of chromosomes?

6. During the phase when the cell is not dividing (interphase), is there activity within the cell nucleus?

7. How are the concepts of chromosomes, chromatin and chromatids related? During which phase of the cell cycle does DNA replicate?

8. What structure maintains the binding of identical chromatids?

9. What is the name given to region of the chromosome where the centromere is located? How are chromosomes classified in relation to the position of their centromere?

10. What are the primary and secondary constrictions of a chromosome? What is the other name given to the secondary constriction?