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Chromosome chromatin and chromatid

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Chromosomes, Chromatids, Chromatin, etc.

The vocabulary of DNA: chromosomes, chromatids, chromatin, transcription, translation, and replication
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Chromosome chromatin and chromatid

Chromosome, Chromatin, Chromatid - What is the Difference - This lecture explains about the difference between Chromosome, Chromatin, Chromatid. A chromosome consist of a DNA double helix bearing a linear sequence of genes.
The DNA is coiled and recoiled around proteins called histones. The resulting complex is called chromatin.
During the cell division, more precisely during the S-phase of interphase, DNA is replicated. The resulting two identical copies of DNA are connected to each other at the centromere. Each copy is called a chromatid.
A chromosome, before cell division is formed by one chromatid while it is formed pf two chromatids after cell division.
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Chromosomes, chromatin, chromatid and sister chromatid

Chromosomes
Chromatin
Chromatid
Sister-Chromatid
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Chromosome, Chromatin and Chromatids – Difference

Confused between Chromosome, Chromatin and Chromatids? Let's see the difference between them :)
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chromatin, chromosome & chromatid

Chromatin : complex of DNA with histone proteins
chromosome: Condensed chromatin in M phase
Chromatid: A single copy of a chromosome pair

Chromosomes, Chromatids, and Chromatin

This Introduction to Biology video teaches about distinguishing chromosomes, chromatids, and chromatin.

Chromatin, Chromosomes, and Chromatids... Oh My!

A brief overview of using the terminology chromatin vs. chromosome vs. chromatid with a focus on chromosome versus chromatid before and after DNA replication.

BIOLOGY Lecture 3 | Chromatin, Chromosome and Chromatid | Genetics Biology

This lecture explains the difference between chromatin, chromosome and chromatid.

Content in this video-
Introduction to Genetics-
Chromatin
Chromosome
Chromatid
Difference between chromatin and chromosome.
DNA
Cell cycle.
Stay connected for upcoming videos.

Chromosome Numbers During Division: Demystified!

Confused with how chromosome numbers change in mitosis and meiosis? The Amoeba Sisters walk you through the mystery of chromosome and chromatid counting in mitosis and meiosis. Video has handout: 👇Expand details for table of contents.

Tale of Contents:
Number of Chromosomes in Humans 0:53
Basics of a Chromosome 1:03
Chromosome vs. Chromatid 1:31
Counting Chromosomes in Interphase 2:13
Mitosis Chromosome Chart 3:08
Meiosis Chromosome Chart 4:02

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The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:

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Chromosomes Vs Chromatids

Chromosomes Vs Chromatids
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How DNA is Packaged (Advanced)

Each chromosome consists of one continuous thread-like molecule of DNA coiled tightly around proteins, and contains a portion of the 6,400,000,000 basepairs (DNA building blocks) that make up your DNA.
Originally created for DNA Interactive ( ).
TRANSCRIPT: In this animation we'll see the remarkable way our DNA is tightly packed up to fit into the nucleus of every cell. The process starts with assembly of a nucleosome, which is formed when eight separate histone protein subunits attach to the DNA molecule. The combined tight loop of DNA and protein is the nucleosome. Six nucleosomes are coiled together and these then stack on top of each other. The end result is a fiber of packed nucleosomes known as chromatin. This structure, is then looped and further packaged using other proteins (which are not shown here) to give the final chromosomal shapes. It is this remarkable multiple folding which allows six feet of DNA to fit into the nucleus of each cell in our body. And a typical cell nucleus is so small that ten thousand could fit on the tip of a needle. It is important to realize that chromosomes are not always present, they form only when cells are dividing. At other times, as we can see here at the end of cell division, our DNA becomes less highly organized.)

Chromatin and Chromosomes

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Chromosome, chromatin, chromatid and cell division

This genetics lecture explains about Chromosome, chromatin, chromatid and cell division. It explains about the chromosome structure and the role of chromatid and chromatin in cell division during chromosome segregation.
For more information, log on to-

Get Shomu's Biology DVD set here-

Download the study materials here-

Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology-
Buy Shomu’s Biology lecture DVD set-
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Thank you for watching

chromosome #chromatids #chromatin

Many students are confused about DNA and Chromosome. Where it came from? Both are same or different ? Where is it placed in a cell? And so on. Here is a video. Hope it helps you out. Enjoy learning.

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What is a Chromosome?

Ever get confused about the difference between DNA, genes, and Chromosomes? If so, don't worry. We straighten it all out here!
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DNA Packaging Animation | chromatin, histone and nucleosome modifications

DNA Packaging Animation | chromatin, histone and nucleosome modifications -
This animation will explain the DNA packaging mechanism and the role of histone proteins in condensing chromatin into nucleosome structure. transcript available below-
1st to develop and function properly it must rely on the white jeans of the White House in most of the genes in eukaryotes are located in the nucleus within a tangled material called chromatin researchers are beginning to discover that the structure of chromatin dictates whether or not a gene can be transcribed most of the chromatin in a cell's nucleus is highly ordered and tightly coiled in chromatin DNA is wrapped around several types of proteins called histones each of the many coil units is a nucleosome the histone proteins have an overall positive charge and the DNA has a negative charge these opposite charges attract forming a tight association between the protein and the DNA in this chromatin structure the DNA of the gene is virtually inaccessible and RNA polymerase cannot transcribe it if the DNA is inaccessible is a turnover gene are actually many different triggers for initiating transcription as one example is cell may receive a signal during development that result in the activation or production of the specific title protein called a regular Tory transcription factor the regular Tory transcription factor recognises and binds to exposed sequences in the chromatin of a specific gene is made and work in conjunction with a set of proteins that can change the chromatin structure for example chromatin remodelling may occurred to the function of a title protein called a chromatin remodelling complex the action of this complex is not well understood but the resulting structural changes he exposed regulatory sequences in the DNA of the regulatory sequences may be close or thousands of nucleotides away from the transcription region of the gene for simplicity will examine the naked DNA of the gene about 30 nucleotides upstream of the transcription region is the promoter the core regular Tory sequence of the gene next to the promoter lies the promoter proximal and at promoter proximal elements stimulate transcription through the binding of tissue-specific regulatory transcription factors enhancers are regular Tory sequences that may lie thousands of nucleotides from the transcription start site tissue-specific regulatory transcription factors bind to enhancers to stimulate transcription when regular Tory transcription factors are bound to DNA in Iraq with other transcription factors these basal transcription factors bind to promoters they are required for transcription to occur but they are not cell specific and do not provide much in the way of regulation when all the diesel transcription factors are bound they form a basal transcription complex one of the diesel transcription factors called a total binding protein TDP binds to a specific sequence known as at OtterBox within the promoter batata binding protein allows RNA polymerase to contact DNA the basal transcription complex then recruits RNA polymerase and transcription begins in cell types are lacking the tissue-specific regulatory transcription factors this particular gene would not be transcribed.
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Differences on chromatid and chromosome

How chromosome duplicate themselves into tetrad forms known as sister chromatids.

Mitosis, Meiosis, Chromosomes, Chromatids, Chromatin and Centromeres . Dr Dawes.

A simple but solid introduction to cell replication: Mitosis and Meiosis and the associated terminology.

Chromosomes and chromatid

Chromosome and Kinetochore

This visualisation is a multi-scale reconstruction of the organisation and structural features of DNA inside a chromosome of a living cell.

Multiple forms of data are seamlessly woven together to accurately reconstruct the molecular systems that build, organise and coordinate the living library inside our cells.

This visualisation is from two figures that are combined with text, interactive widgets and imagery through the narrative of 'E.O.Wilson's Life on Earth' interactive textbook of biology.

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