This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
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b) Quinine is economically important as an antimalarial drug, used to treat malaria. 22. a) State the differences between herbivores and carnivores in terms of the following dental features: | Dental Feature | Carnivores | Herbivores | | :---------------- | :--------------------------------------- | :--------------------------------------- | | Canine | Long, sharp, pointed for tearing flesh | Reduced or absent, or blunt for grinding | | Carnassial Tooth | Well-developed, sharp for shearing meat | Absent | | Molar | Sharp, pointed for crushing bones | Broad, flat, ridged for grinding plants | 23. Name the nutrient important in the following: i) Impulse transmission: Sodium (or Potassium) ii) Haemoglobin formation: Iron 24. State TWO roles of the tongue in the digestion process: • It mixes food with saliva to form a bolus. • It pushes the bolus towards the pharynx for swallowing.