INTRODUCTION TO MICROSCOPY CELL BIOLOGY
NUCLEUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Because it protects against water loss.
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It performs 4 main functions
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It performs 2 main functions
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None of the above
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Detailed explanation-1: -Nucleus is known as the control center of the cell as it performs the following functions: The nucleus contains the hereditary material of the cell, the DNA. It sends signals to the cells to grow, mature, divide and die. The nucleus is surrounded by the nuclear envelope that separates the DNA from the rest of the cell.
Detailed explanation-2: -Because nucleus contains a material called gene which controls all activities of cell and its characteristics. Cell nuclei contain most of the cell’s genetic material, organized as multiple long linear DNA molecules in complex with histones, to form chromosomes.
Detailed explanation-3: -The general purpose of the nucleus is to predetermine and control the production of proteins.