Amounts of RNA and DNA in segments of etiolated
mung bean hypocotyls. A, Mung bean seedlings germinated for 3 and
5 d. Three- and 5-d-old hypocotyls were cut into 1- and 1.5-cm
segments, respectively. B and C, Amounts of total RNA and total DNA,
calculated on the basis of fresh weight (fw) of segment. D, Relative
content of RNA on the basis of DNA content.