One picogram (pg) is equal to how many base pairs (bp)?

A

1×109

B

0.965×109

C

0.965×1010

D

0.963×108

Open in App

Solution

Verified by Toppr

The weight of nucleotide bases can be calculated from the chemical formula and relative weights can be used to correlate the weight with the number of bases expected in a given sample of DNA. Using this technique it has been estimated that the mean weight of one nucleotide pair would be 1.023 x 109 pg, and 1 pg of DNA would represent 978000000 base pairs. Some workers have reported a lower value (965000000). The correct formula for converting the picograms of DNA into number of nucleotide pairs will be (978000000) x (DNA content in picograms).

Thus, the correct answer is option B.

Was this answer helpful?

0

Similar Questions

Q1

The product 108 x 109 can be written as 10000 + ____ x 100 + 72.

View Solution

Q2

How many meiosis are required to form 109 pollen grain in Rice plant.

View Solution

Q3

At radioactive equilibrium, the ratio between the number of the atoms of two radioactive elements (X) and (Y) was found to be 3.2×109 : 1 respectively. If half-life of the element (X) is 1.6×1010 years, then half-life of the element (Y) would be

View Solution

Q4

A 0.50g sample of rock was found to have 2.5×10−6mol of 4019K(t1/2=1.3×109years) and 7.5×10−6mol of 4020Ca. How old is the rock?

View Solution

Q5

In which one of the following pairs the interatomic bond angle is 109∘28′, 120∘ respectively :