(ii)N [1m] ________________________________________________________________________ e)Explain the role of L in maintaining cell turgidity [2m] ________________________________________________________________________ ________________________________________________________________________ f)Name a cell which is rich in structure N and give your reason. [2m] ________________________________________________________________________ ________________________________________________________________________ 2a)What are unicellular organisms and how do they differ from multicelluar organisms in terms of cell organisation? [2m] b) Amoeba sp. is a unicelluar organism which can be found in freshwater ponds rich in decaying organic matter. Explain how freshwater Amoeba sp adapts to living freshwater environment. [4m] c)Explain how Amoeba sp. reproduces in response to different conditions in environment. [4m] d)
Unicellular organisms do not require a transport system.
Using Amoeba sp as example, give an evaluation of the above statement based on the physical features of a unicellular organism with respect to the following processes: -Locomotion -Nutrition -Respiration [10m]
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135 logically organized Q&As, starting with the basic concepts and moving on to water properties and mineral salts, carbohydrates, lipids, proteins, enzymes, and nucleic acids.
Review cell biology through 204 Q&As designed to make learning biology’s main subjects, such as cell structure, cell division, photosynthesis, and protein synthesis, easier.
Familiarize yourself with bacteria, protists, viruses, and fungi with 59 Q&As spanning the basic concepts to more advanced ones.
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