Nucleosomes are
Units of $DNA$
Units of $RNA$
Units of proteins
Units of chromosomes
(d)Woodcock termed each beaded structure on chromosome as nucleosome. So nucleosome are units of chromosomes.
The diagram shows an important concept in the genetic implication of $DNA$. Fill in the blanks $A$ to $C$.
Describe the structure of polynucleotide chain of DNA or RNA ?
Uridine is formed when pyrimidine nitrogen base uracil joins with
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
In a given $DNA$ segment the number of nucleotides of guanine is $75$ and those of thymine is $75$. The total number of nucleotides in the segment will be
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