: Setting up the light microscope and preparing slides, such as onion skin (plant) or epithelial cells from the mouth (animal).
: Noting features unique to plant cells, including the rigid cellulose cell wall , chloroplasts (in green parts), and a large central vacuole .
: Locating key organelles visible under a standard light microscope, such as the nucleus , cytoplasm , and cell membrane .
Laboratory work №1 for Biology Grade 9 typically focuses on . The primary goal is to identify similarities and differences between these cell types to demonstrate their unified origin and specific adaptations. Core Components of Laboratory Work №1
: Drawing the observed cells and labeling their parts in a comparison table. Comparative Summary Table