Advertisements
Advertisements
Question
What is the function of the following?
Cell membrane
Advertisements
Solution
Cell membrane - It gives a definite shape to the cell, protects the internal cell contents, and allows entry and exit of specific substances into and out of the cell.
APPEARS IN
RELATED QUESTIONS
Carry out the following osmosis experiment:
Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,
- Keep cup A empty.
- Put one teaspoon of sugar in cup B.
- Put one teaspoon salt in cup C.
- Put one teaspoon sugar in the boiled potato cup D.
Keep these for two hours. Then, observe the four potato cups and answer the following:
- Explain why water gathers in the hollowed portion of B and C.
- Why is potato A necessary for this experiment?
- Explain why water does not gather in the hollowed-out portions of A and D.
All life starts as _________.
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
Name the scientist who invented the first microscope.
Where are the genes located in a cell?
Why was the invention of the microscope so important to the study of living beings?
Who studied the cell first?
Sketch and describe in your own words, the animal cell
Answer the following question.
Who discovered cells, and how?
The instrument used to observe the cell is _____
