NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

ANIMAL TISSUES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
All cells do not have same shape and size. Reason
A
the cell structure is according to the function they needs to perform.
B
Cells have different shapes and size because they do different things
C
Cells have different shape and size because different cell types have different functions
D
All of the above
Explanation: 

Detailed explanation-1: -Thus, the correct answer is ‘They perform different functions. ‘

Detailed explanation-2: -Cells have different shapes because they do different things. Each cell type has its own role to play in helping our bodies to work properly, and their shapes help them carry out these roles effectively. The following cell types all have unusual shapes that are important for their function.

Detailed explanation-3: -Cells show great diversity in their shapes and sizes. The size and shape of a cell are related to its function. A nerve cell may attain a length of several meters while red blood cells are only 5-8µm in diameter. Also, within an organism, the cells rarely remain in the spherical form.

Detailed explanation-4: -All living organisms are made up of cells of different shapes and size which perform various functions. For example: Humans have different types of cell based on the the functions: Red blood cells are tiny spherical cells which are just 8um in size.

Detailed explanation-5: -Summary: Biologists have discovered why cell sizes are so tightly regulated. Researchers found that the need to produce just the right amount of protein is behind the striking uniformity of sizes.

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