what is the structure of cell ?
Answers
Answer:
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.
★ The Cell is the structural and functional unit of living organism
★ It is divided into two parts
1) Cell membrane
2) Protoplasm
1) Cell membrane _ Around the cell there is a thin membrane which surrounds the protoplasm.
★ It is very soft and elastic
★ It controls inflow and outflow of materials
★ It provides shape to cell and protoplasm remains safe inside it
2) Protoplasm _ The thick fluid which fills the cell
★ Protoplasm is the basis of life All life proceses take place in the protoplasm
★ Protoplasm has 2 parts
1) Nucleus
2) Cytoplasm
1) Nucleus _Nearly in the centre of the cell there is present a large structure called nucleus
★ Nucleus controls all activities of cell
★There are 4 main parts of this-
a) nuclear membrane
b) nucleoplasm
c) chromatin reticulum
d) nucleolus
2) Cytoplasm _ The thick dense material present inside the cell except nucleus is called cytoplasm
★ The cytoplasm contains living and non living particles
a) Mitochondria
b) Vacuole
c) Ribosome
d) Centrioles
e) Cilia and flagella