Answer quickly i'm in a test which important property of dna did friedrich miescher discover? a. it is made partly of sugar molecules. b. it has a double-helix structure. c. it is three-dimensional. d. it is found in the nucleus of a cell.

D is the correct answer

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D. It is found in the nucleus of a cell.

Explanation:

Friedrich Miescher first discovered DNA as a biomolecule. He isolated nuclein in which DNA is wrapped around cellular proteins such as Histones. Many years after Miescher's discovery it was proved that DNA is the hereditary material in cells. In the times of Miescher proteins were believed to be the molecules of hereditary.

when the volume of gas is   changed from   717.73 ml   to 852 ml   the temperature will   change   from 315   c to 452   c

    calculation

this is calculated using the charles law formula

that is,   v1/t1 = v2/t2

          v1=?

        t1 = 315 c   into   kelvin = 315 +273 = 588 k

        v2 = 852   ml

        t2 = 425c + 273 =698 k

make v1   the subject of the formula ( by   multiplying both side by t1)

  v1=( v2 xt1) / t2

v1= (852 ml   x 588 k)/ 698 k= 717.73 ml