They do on woody stem plants - those whose leaflets sprout directly from the stem itself. Tomatoes, peppers, eggplants, trees, etc.

But they don't from those plants whose leaflets sprout directly from the core, root ball. They don't normally have stems anyway until quite late in life - like lettuce when it bolts - and many flowers normally grown in low clusters.

Cabbage, broccoli (most varieties), and cauliflower are example of plants that fall in the "stemmed but not a woody stem" category. They can be transplanted deeper than lettuces and such but not as deeply as woody stem plants.

Hope this helps.

Dave