Biology A (9-1) - Gateway Science Suite J247 9-1: Scaling up Topical Past Paper Questions

Yeast is a fungus. (a) The diagram shows a yeast cell. (i) Name two sub-cellular structures the yeast cell has in common with both animal and plant cells. 1 ..... [2] (ii) Yeast is classified as a fungus and not as a plant or animal. Explain why fungi are not classified as plants…

In 2022, there were 66 900 000 people living in the UK. Estimate how many of these people have a Y chromosome in their cells. Your answer

(a) (i) Fig. 22.1 shows the cell cycle. The letters represent different stages. Fig. 22.1 Which processes happen during stage S and stage M? Write your answers in the table. [2] [2] (ii) Cells can become specialised. Give one reason why this is important for organisms. [1] (b)* A…