Dear student.
Thallophyta is a group of plants in which the plant body is not differentiated into roots, stems, and leaves. Plants belonging to the division algae and Bryophyta are collectively known as Thallophytes.
DNA bears the same structure in both plants and animals. It resembles double helix, posses nucleotides, nitrogenous base, phosphate group and sugar. The arrangement of four nucleotides may be different according to the proteins, that is to be synthesised.
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