What is the nucleus?

By Jack Loren September 12, 2023

[{"selector":"#anim-63445cee-e48c-43bd-9521-7893cfd3219a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-4b129dd9-8607-40da-86e7-7eb20daef578","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f4c5900e-d47d-4da1-abc5-4cb36b133369","keyframes":{"transform":["translate3d(-116.66667%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Nucleus is described as ‘ control room ’ of the cell. It directs and controls all the cellular activities .

[{"selector":"#anim-a9b6f24e-c656-457e-91ed-ce545c5c8b04 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-19.643847248438526%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-d0425e1e-2871-43c9-8734-25021248d699","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b5cec19c-066e-4e60-9765-fe2263fd2d9e","keyframes":{"transform":["translate3d(-116.66667%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] It was discovered by Robert Brown in 1931.

[{"selector":"#anim-8196a4a1-73d9-4dee-9b34-fbf8a5183d53 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-24.712170004375153%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-45d10275-87cc-485c-a540-9c4fc7956cf8","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-19cfaf99-d916-4d97-bbee-d44a4f668425","keyframes":{"transform":["translate3d(-116.66667%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] During the life span of a cell, the nucleus exists in two phases.

[{"selector":"#anim-12d02475-b53d-4833-bfa8-b71b50d1016c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-ae160a16-9f74-4124-9b3d-d41a5c0e5c13","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a34442ba-91f3-4c96-a4ac-5b59a510bda4","keyframes":{"transform":["translate3d(-116.66667%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] 1. The Interphase or Metabolic phase 2. Division phase

What is the shape and size of the Nucleus?

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[{"selector":"#anim-c21f56ad-7258-4d2c-ab45-eead8cb479f5 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-5d7fbfcc-80a2-4418-a05f-218bc3123302","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ed10946c-1b36-4d9c-b2d6-a382046c6338","keyframes":{"transform":["translate3d(-116.66667%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] The interphase nucleus is also known as the metabolic nucleus , as it controls metabolic activities of the cell.

[{"selector":"#anim-aa749109-500c-4a37-a7c3-7e6e89409120 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(7.955357242889587%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-986c6618-ff4a-41f6-b686-d25c6dc0f03a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-759a48f0-ad83-4ec5-a28a-6b15287f910a","keyframes":{"transform":["translate3d(-116.66667%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] It may be spherical, rounded, spheroidal, cylindrical, prismatic, branched or lobed.

[{"selector":"#anim-c749a01f-6c85-4544-9163-0b38ca4d37d5 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(11.196860093349859%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-8f5cac66-a52c-4ef2-920d-d88f8dd076fb","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-206a8575-6a07-4691-b3a6-d403427dfa22","keyframes":{"transform":["translate3d(-116.66667%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] The size of nucleus is different in the cells of different organisms, in different cells of an organism and even in different stages in the same cell. Learn more