Answer:
It controls activities
Explanation:
X is the nucleus of the cell which is sometimes know as the 'brain' of the cell because it controls activities. It contains DNA that is needed to conduct most of the cell's functions.
Yes if have them in the refrigerator for a long time and then take them out and leave them on the counter for a good 2 days
Answer:
<u>Isotonic</u>
Explanation:
If the solute concentration of the cell and that of its surrounding medium are the same there will be no net flow of water in either directions. In this case, the external solution is said to be isotonic to the cell.
Both the cytoplasm concentration and the glucose in the test tube are the same.
Es | HIV.gov
There is currently no vaccine available that will prevent HIV infection or treat those who have it. However, scientists are working to develop one.
It is reticulate venation, where the veins are arranged in a network.
