Table I.

Relative proportions (%) of [¹⁴C] label in leaves L2, L3, and L4 calculated from the integral signal values from the autoradiograph in Figure 3

Leaf	Time
	6 h	24 h	48 h
L2	0.0	1.1	3.2
L3	93.1	97.5	92.9
L4	6.9	1.3	3.9