Question

1. What is the difference between chromatin fibre and chromosome?
2. Define the term chromatid.
3. What do you mean by sister and nonsister chromatid?
4. What is nucleosome?
5. What are the contents of chromatin fibre?
6. Draw a structure of chromosome and label it?

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Answer 1

Answer:

The main difference between chromatin and chromosome is that chromatin consists of the unravelled condensed structure of DNA for the purpose of packaging into the nucleus whereas chromosome consists of the highest condensed structure of the DNA doublehelix for the proper separation of the genetic material between ..

Explanation:

each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.

Answer 2

1. The main difference between chromatin andchromosome is thatchromatin consists ofthe unravelled condensed structure of DNA for the purpose of packaging into the nucleus whereas chromosome consists of the highest condensed structure of theDNA doublehelix for the proper separation of the genetic materialbetween ...

2. A chromatid is one of two identical halves of a replicated chromosome. During cell division, the chromosomes first replicate so that each daughter cell receives a complete set of chromosomes.

3. A sister chromatid is either one of the two chromatids of the samechromosome joined together by a common centromere. ... Non-sister chromatids, on the other hand, refers to either of the two chromatids of paired homologous chromosomes, that is, the pairing of a paternalchromosome and a maternalchromosome.

4.  nucleosome is the basic structural unit of DNA packaging in eukaryotes. The structure of a nucleosome consists of a segment of DNA wound around eight histone proteins and resembles thread wrapped around a spool. The nucleosome is the fundamental subunit of chromatin.

5. The primary protein components ofchromatin are histones, which bind toDNA and function as "anchors" around which the strands are wound. In general, there are three levels ofchromatin organization: DNA wraps around histone proteins, forming nucleosomes and the so-called "beads on a string" structure (euchromatin).

6. show diagram before