Here are the solutions to the questions: 6.1 The type of cell shown in the diagram is an animal cell. 6.2 a) Contains the hereditary material: B, Nucleus b) Secretes, packages and distributes various organic molecules around the cell: C, Golgi apparatus (or Golgi complex/body) 6.3 The function of part labelled A (Mitochondrion) is cellular respiration, which involves the production of ATP (energy) for the cell. 6.4 | Feature | Prokaryotic Cell | Eukaryotic Cell | | :------------------------ | :--------------------------------------------- | :----------------------------------------------- | | Nucleus | Absent | Present | | Membrane-bound organelles | Absent | Present (e.g., mitochondria, ER, Golgi) | | DNA | Circular, located in cytoplasm (nucleoid region) | Linear, located within the nucleus | | Size | Generally smaller (1-10 $\mu$m) | Generally larger (10-100 $\mu$m) | | Ribosomes | Smaller (70S) | Larger (80S) | | Cell Wall | Present (contains peptidoglycan) | Present in plants (cellulose) and fungi (chitin), absent in animals | 6.5 | Feature | Plant Cell | Animal Cell | | :------------------ | :--------------------------------------- | :----------------------------------------- | | Cell Wall | Present, rigid outer layer | Absent | | Chloroplasts | Present, for photosynthesis | Absent | | Vacuole | Large, central, permanent vacuole | Small, temporary, or absent | | Shape | Fixed, regular shape | Irregular shape | | Centrioles | Absent | Present |