Biology, asked by Sahil1298, 9 months ago

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Fill in the blanks :
1. Chromatin fibre is made up of DŅA and ______
2. The two sister chromatids of a chromosome
are attached to each other at _______
3. The structure of DNA was first discovered by _______
4. The three components of a nucleotide are
and _______
5. DNA strand wound around a histone octamer ________
forms a complex called a
6. A specific sequence of nucleotides on a
chromosome constitutes a _______

Answers

Answered by Ravina
10

Answer:

1. Chromatin fibre is made up of DŅA and Histones.

2. The two sister chromatids of a chromosome  are attached to each other at centromere.

3. The structure of DNA was first discovered by James Watson and Francis Crick.

4. The three components of a nucleotide are  phosphate group, 5-carbon sugar and a nitrogenous base.

5. DNA strand wound around a histone octamer forming a complex called a chromatosome.

6. A specific sequence of nucleotides on a  chromosome constitutes a gene.

Answered by GirlfromPUNJAB
5

Answer:

  1. Histones
  2. Centromere
  3. Francis Crick and James Watson (Not confident about this one)
  4. A phosphate group, a 5-carbon sugar and a nitrogenous base.
  5. Chromatosomes
  6. Gene

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