INTRODUCTION
CELL STRUCTURE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which of the following is NOT a cell theory.
|
|
All non-living things are made of cells
|
|
|
All cells come from pre-existing cells
|
|
|
Cells are the basic unit of structure and function of all living things
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -The correct option is (d) All cells do not have the same chemical composition. Cell theory was given by Theodor Schwann and Matthias Jakob Schleiden.
Detailed explanation-2: -All living cells do not have cell walls. It is unique to plants, fungi and bacteria. So, it is not a postulate of the cell theory.
Detailed explanation-3: -A cell is the smallest unit that is typically considered alive and is a fundamental unit of life. All living organisms are composed of cells, from just one (unicellular) to many trillions (multicellular).
Detailed explanation-4: -Detailed Solution. The correct answer is All cells are identical.
Detailed explanation-5: -Final answer: Virus is not a cell.
There is 1 question to complete.