Define Chromatin Fibre
Biology

Define Chromatin Fibre

The coiled thread-like structures suspended in the nucleoplasm is called chromatin fiber. A single coiled thread is called a chromosome. It is located in the…
What is Nucleolus?
Biology

What is Nucleolus?

The dense and round part present in the nucleus is called nucleolus. Scientist Fontana in 1781 first observed it. Structure: It is made of protein,…
What is Nucleoplasm?
Biology

What is Nucleoplasm?

The granular, transparent and homogeneous liquid substance present in the nucleus is known as nucleoplasm. It is the substance of a cell nucleus, especially that…
What is Nuclear Membrane?
Biology

What is Nuclear Membrane?

The transparent, semi-permeable and flexible membrane around the nucleus is said to be the nuclear membrane. Structure: It is a porous and two-layered membrane. It…
Define Nucleus
Biology

Define Nucleus

The most conspicuous organelle in a living cell is usually round, surrounded by lipo-protein made membrane which contains chromosomes and regulates all the activities of…
Describe the Structure of Chloroplast
Biology

Describe the Structure of Chloroplast

Position: The chloroplast is present in the green pans of the plant, especially in leaves. It is an organelle unique to plant cells that contains chlorophyll…
What is Protoplasm?
Biology

What is Protoplasm?

Protoplasm: The jelly-like half liquid, transparent, viscus, and living substance present within the cell wall is known as protoplasm. It is a jelly-like substance known…
Define and Describe on Cork Cambium
Biology

Define and Describe on Cork Cambium

As the stem continues to increase in girth due to the activity of vascular cambium, the outer cortical and epidermis layers get broken and need…
Types of plastid
Biology

Types of plastid

The living organelle, distributed in the cytoplasm, may be pigmented or non-pigmented, which can only be found in the plant cell is called plastid. Types…
Explain Activity of the Cambial Ring
Biology

Explain Activity of the Cambial Ring

The cambial ring becomes active and begins to cut off new cells, both towards the inner and the outer sides. The cells cut off towards…
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