Which inorganic ion is found at the centre of chlorophyll?
Fe2+\text{Fe}^{2+}Fe2+.
Mg2+\text{Mg}^{2+}Mg2+.
PO43−\text{PO}_4^{3-}PO43−.
Ca2+\text{Ca}^{2+}Ca2+.
Flashcards for Eduqas A Level Biology Chemical elements are joined together to form biological compounds, covering the key terms, definitions and processes you need to recall for Component 1, Component 2 and Component 3. 30 cards, matched to the Eduqas A Level Biology (A400QS) specification. Recall questions account for roughly 30% of marks at A Level Biology, so these target the marks you can secure before the paper starts.
