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What else can I help you with?
What is the neucleolus?
it is the darkly stained part inside the nucleus inside a cell
Do all cells have a neucleolus?
No every cell do not.Only eukariyotes have,some eukariyotic cells like RBC lacks it.
What is the most important organelle in a cell and why?
The neucleus and neucleolus because it's where DNA is retained and is where DNA undergoes the first steps of protien synthesis which is essential for life. As well as this without this organelle there'd be no-where to 'house' our DNA and without the genes in the DNA you, me and everyone wouldn't exist and neither would this question.
What is a good analogy to the animal cell's parts?
A good analogy for an animal cell's parts is to think of the cell membrane as the "gatekeeper" controlling what enters and exits like a security checkpoint at a stadium. The nucleus can be compared to the "control center" that contains the cell's genetic information like a CEO in an office. Mitochondria are like the "power plants" producing energy for the cell, and the endoplasmic reticulum is like the "manufacturing warehouse" where proteins are made and processed before distribution.
