Cell structure and organisation Flashcards
1
Q
What is a cell?
A
A cell is a unit of life that consists of a mass of living matter called protoplasm.
2
Q
What do protoplasm contain?
A
Cell surface membrane, nucleus, cytoplasm
3
Q
What is the characteristic of the cell surface membrane? What is it made up of?
A
It is a partially permeable membrane that is made up of lipids and proteins.
3
Q
What are the parts of the cytoplasm?
A
It contains organelles like nucleus, rough endoplasmic reticulum, smooth endoplasmic reticulum, Golgi body, mitochondria, vesicle and vacuoles.
4
Q
What are the functions of nucleus?
A
It controls cell activities such as cell growth and repair. Nucleus is essential for cell division.
4
Q
A