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A student put a stalk of wilted celery into a glass of water. After one hour, the celery was no longer wilted.
a. Salt diffused out of the cells of the celery stalk
b. Salt diffused into the cells of the celery stalk
c. Water diffused out of the cells of the celery stalk
d. Water diffused into the cells of the celery stalk
Water enters a cell and waste material leaves a cell through the cell membrane. Based on this information, the cell membrane is
A student put a stalk of wilted celery into a glass of water. After one hour, the celery was no longer wilted.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
Organelles must work together to ensure the cell survives. Cells must be able to eliminate waste or worn-out cell parts. Which organelle is responsible for “cleaning” up the cell by digesting and getting rid of unwanted material?
Plant and animal cells must grow, develop, and divide. To carry out these functions, usable energy (ATP) must be created. Which organelle, found in both plant and animal cells, is responsible for converting food into energy for cells?
There are many functions a cell must complete to survive. What structure is responsible for controlling all the cell’s functions?
