Answer:
B(doubling time = 70/growth rate(r))
The answer is Dischotomous Key.
Nucleus: to control the function of the cell.
<span>Mitochondria:The powerhouse of the cell .They take in nutrients, and breaks them down and creates energy for the cell.
</span><span>Chloroplast: to convert energy from the sun into sugars for the cell.
</span><span>Lysosomes:they digest waste or worn out organelles
</span><span>Vacuoles: the main function of vacuoles is to separate anything that can be harmful to the cell.
</span><span>Ribosomes: synthesize proteins for use through out the cell.
</span>ER: creates and folds proteins and then carries these synthesized substances to the Golgi apparatus.
<span>Golgi apparatus: identifying, processing and packaging macromolecules.
</span><span>
</span><span>Cell membrane: to protect the cell from its environment by controlling the movement of substances in and out of cells.
</span><span>Nuclear membrane: to separate the nucleus of a cell from the cytoplasm around it.
</span>Cell Wall: to protect the cell.
<span>Cytoplasm: to hold the cells organelles in place.</span>
The principal or
The security guard it holds everything together or the foundation of the school