Tag: bio-chemistry
Questions Related to bio-chemistry
What will happen if a plant and animal cell is put in a hypotonic solution?
What will be observed when a plant or animal cell is put in a hypertonic solution?
If cells of onion peel and RBC are separately kept in hypotonic solution, what among the following will take place?
Mammalian liver cells will swell, if they are kept in
Grapes were put in a concentrated sugar solution. On examination after 12 hours, the grapes were shrunken. This is because
When amoeba is placed in a hypertonic medium, it shrinks. Why does this happen?
A single-celled organism which has contractile vacuole to move water from inside to outside of the cell was studied in an experiment in which the organism was placed in water with different salt concentrations. The rate at which the contractile vacuole contracted to pump out excess water was recorded.
Salt conc. | Rate of contractile vacuole contractions per minute |
---|---|
Very high | 2 |
High | 8 |
Medium | 15 |
Low | 22 |
Very Low | 30 |
Which of the following explains the observed relationship between the rate of contractile vacuole contraction and the salt concentration?
All of the following involves osmosis except
OP of a cell can be measured by
In root hair, water enters due to