25 5. Cell cycle C. Life Processes in Living Things 1. Amoeba, Paramecium, and Euglena 2. Spirogyra and Rhizopus 3. Mosses and ferns D. Diversity of Living Things 1. Characteristics of some of the orders of Class Insecta Description of the process of protein synthesis. The roles of m-RNA, t-RNA, and r-RNA and ribosomes in protein synthesis must be emphasized. Importance of protein synthesis. Examples of proteins synthesized by humans. Explanation of the of the term cell cycle. Phases of the cell cycle [Interphase: GS+ G phases, Mitosis M phase ( karyokinesis and cytokinesis)]. The processes of mitosis and meiosis and their importance. Preparation of a squash of onion root tip and observing stages of meiosis under the microscope. Observing stages of meiosis in plant and animal cells (Permanent slides maybe used. External structure and life processes of Amoeba, Paramecium, and Euglena. Mounting of Paramecium and Euglena under the compound light microscope. Structure of Spirogyra and Rhizopus. Nutrition and reproduction of Spirogyra and Rhizopus. Identification of stages of conjugation of Spirogyra. Structure of mosses (Brachymenium and Funaria) and ferns (Nephrolepis, ( Platycerium, Phymatodes). Description of external features of mosses and ferns. Nutrition and reproduction in mosses. Reproduction in ferns.