ثالثة ثانوي لفــــات
Two cells of onion plant were separated, one ofthem was separated from the root epidermis and
the other was from the leaf epidermis, then each
of them was put separately in two solutions with
equal concentrations for an equal period of time
and the result was as shown in the opposite figure.
Which of the following is correct about the two
cells before carrying out the experiment?
The osmolarity of the sap vacuole of cell (1) is
larger than the osmolarity of the sap vacuole of cell (2).
The osmolarity of the sap vacuole of the two cells is larger than the osmolarity of
the two solutions.
The osmolarity of the sap vacuole of cell (2) is larger than the osmolarity of the sap
vacuole of cell (1).
The osmolarity of the sap vacuole of cell (1) is equal to the osmolarity of the sap
vacuole of cell (2).
A type of algae was transferred from a freshwater environment to a marine water
environment. So, what is the change that occurs in the algal cells?
The algal cells swell.
The plasma membrane moves towards the wall.
The plasma membrane moves inward.
No change occurs.
تحميل مراجعة biology كتاب المعاصر ثالثة ثانوى pdf.2024
https://drive.google.com/file/d/1DS6NPrXZnRS6kwFP0NH0aB6MZaj2wnIt/view
