Question
Give an example of diffusion across plasma membrane.
Give an example of diffusion across plasma membrane.
In amoeba, oxygen (O2) enters the cell by the process of diffusion when the level or concentration of O2 inside the cell decreases.
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Lysosomes are also celled digestive bags. Why?
Give two examples of cartilage.
Give a short account of biofertilizers.
List any two bacteria which play a role in biological nitrogen fixation.
'Milk is a very nutritious food'. Use the table given in the book to justify statement.
Name the living components common to both the complex permanent tissues found in plants. What is its function?