Answer:
a) A cell will shrink when the concentration of electrolytes is greater inside the cell than outside the cell. FALSE
Explanation:
The regulation of cell fluid is caused by molecules called as Electrolytes. The higher concentration of these electrolytes outside the cells or lower concentration inside the cells will suck water outside the cells. Water is pumped to the area where the concentration of electrolytes is high. It is also clears from the Option d) that water follows the movement of electrolytes so it means that water will move to out if the concentration of electrolytes outside the cells is high which will cause shrinkage of cell organelles.
Mechanical stress applied to bone increases osteoblast activity in bone tissue, and the removal of mechanical stress decreases osteoblast activity.
Explanation:
Osteoblasts are cells , that are produced in the bone marrow and are responsible for formation of bones and bone matrix.
Whenever a mechanical stress is applied on the bones , a series of reactions are triggered. As a result the activities of osteoblast increases to synthesize more and more bone matrix to provide strength.
Again on the other hand a decrease in mechanical causes a decrease in the activities of the osteoblasts.
I’m going to guess the answer c
Answer:
A.
Explanation:
An allele is a variant form of a given gene.
