Answer:
the tips of the steams and roots, also known as an apices
That would be the nucleus.
The nucleus is the control center of the cell, located in the center of a cell.
Low blood pressure on the other hand can be to do with:
Exercise and how much you do of it because regular exercise keeps blood pressure low.
Eating as after you eat, blood pressure falls.<span><span>
Stress causes blood pressure to rise.
Body temperature and how high it is affects BP because if you're body temperature is high, your BP is usually low.
Hope that helps.
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C) its protein synthesis. any thing that has to do with proteins are ribosome. not lipids.