What is Nucleus?

What is Nucleus?

Denser and clearer organ found in the protoplasm is Nucleus. Robert Brown discovered and named nucleus in 1831 AD in the cell of orchid leaf.…
What is Plastid?

What is Plastid?

Plastid is largest in size among the organelles present in the cytoplasm. They can be seen clearly under the microscope. Plastids are not present in…
What is Cytoplasm?

What is Cytoplasm?

Outside the nucleus, the part of protoplasm, which is surrounded by the cell membrane, is known as cytoplasm. It is composed of different organic and…
Plasma Membrane or Cell Membrane

Plasma Membrane or Cell Membrane

Just beneath the cell wall, there is a soft living membrane surrounding the whole protoplasm. This is called cytoplasmic membrane or cell membrane. Stucture: Plasma…
What is Centrosome?

What is Centrosome?

In animal cell there is a spherical body outside the nucleus, which is called centrosome. The fluid by which it is composed is called centrosphere.…
Describe on Golgi bodies or Golgi apparatus

Describe on Golgi bodies or Golgi apparatus

Golgi bodies may be flat, spherical or elongated. Normally they are present near the nucleus. It was first observed by a scientist named Golgi in…
Describe on Ribosomes

Describe on Ribosomes

Ribosomes are small spherical /granular organelle. They may occur freely in the cytoplasm and may be attached to the outer wall of the endoplasmic reticulum.…
Endoplasmic Reticulum

Endoplasmic Reticulum

In a mature cell a network is found in the cytoplasm. This is called endoplasmic reticulum. Endoplasmic reticulum is of two types – smooth and…
Describe on Mitochondria

Describe on Mitochondria

Krebs cycle, fatty acid cycle, electron transport system etc. take place in mitochondria (sing: mitochondrion). All energy producing process occurs in mitochondria for which mitochondria…
Chromoplast

Chromoplast

Chromoplast are variously coloured, other than green, mostly yellow and red in colour. They are also variable in shape. Chromoplast occurred in coloured part of…
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