[Solved] What modification, targeting a protein for degradation, is usually recognized by the cap of a proteasome? A)proteins with a single ubiquitin B)naked proteins C)precipitated proteins D)polyubiquitinated proteins E)lysinated proteins Microphylls: Simple, small leaves with a single vein, found on some plant species including lycophytes. Stem Branches: Extensions or subdivisions arising from the main body of a plant's stem, which support leaves, flowers, and fruits. Hepaticophyta: A division of non-vascular plants commonly known as liverworts, named for their liver-shaped gametophytes. Bryophyta: A division of non-vascular land plants known as bryophytes, including mosses, liverworts, and hornworts, characterized by a dominant gametophyte stage.