Advertisements
Advertisements
प्रश्न
The number of adenine molecules in a given DNA segment is 25 and the number of cytosine molecules is 45, the total number of nucleotides in the segment is _______________.
विकल्प
70
140
90
50
Advertisements
उत्तर
The number of adenine molecules in a given DNA segment is 25 and the number of cytosine molecules is 45, the total number of nucleotides in the segment is 140.
A = T and G = C for DNA
now, total nucleotide = A + T + G + C
= 2(C) + 2(A)
= 50 + 90
= 140
APPEARS IN
संबंधित प्रश्न
Although a prokaryotic cell has no defined nucleus, yet DNA is not scattered throughout the cell. Explain.
Write a note on the packaging of DNA in Eukaryotes.
Which of the following is the CORRECT statement with respect to formation of nucleosome?
The structure in chromatin seen as ‘beads-on string’ when viewed under electron microscope are called ______.
Histones are rich in ______.
Plasmid has been used as vector because ______.
Which process occurs in the regulation of gene expression in prokaryotes but does not occur in the regulation of gene expression in eukaryotes?
The most abundant prokaryotes helpful to human in making curd from milk and in the production of antibiotics are the ones categorised as ______ .
Part of chromatins which is densely packed stain darkly and is transcriptionally inactive is called ______.
Distinguish between heterochromatin and euchromatin with reference to staining property and activity.
