In the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?
A cell is the basic structural and functional unit of life. Each living cell along with its components like protoplasm and various organelles, has the capacity to perform basic functions of life. If this organisation of a cell is destroyed, then cell will not be able to perform certain basic functions and it may lead to its death in the future.
What is an organ system?
(a) Give two examples of organ systems in animals.
(b) Name the two main organ systems in plants.
A, B, C and D are basic parts of all the cells. The part A contains thread like structures called E which transfer the characteristics from parents to their offsprings into the cell and out of the cell. The part B provides energy to the cell. The part C is found in plant cell but not in animal cell. The part D is a transparent, jelley–like material. What could A, B, C, D and E be?
Why is the plasma membrane called a selectively permeable membrane?
Explain various types of organisms on the basis of number of cells.
