• 2022-06-01
    The envelope of an animal virus is derived from the____of its host cell.( )
    A: cell wall
    B: cell membrane
    C: glycolyx
    D: receptors
  • B

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    • 0

      Animals, _______, and some fungi consist of diverse eukaryotic cell types, all derived from a single fertilized egg cell.

    • 1

      The myelin sheath of the peripheral nerve consists of A: Schwann cell membrane and cytoplasm B: only Schwann cell cytoplasm C: multiple layers of Schwann cell membrane D: only the lipid of Schwann cell membrane E: Schwann cell membrane and basal lamina

    • 2

      All cells are enclosed by a plasma membrane, which separates the inside of the cell from its environment.

    • 3

      Which<br/>of the following virus structure is derived from host cell membranes() A: nucleic<br/>acid B: capsid<br/>protein C: lipid<br/>bilayer D: sugar<br/>in spikes E: protein<br/>in spikes

    • 4

      仅在真核细胞中存在而在原核细胞中不存在的细胞结构是以下那一项? A: Ribosome B: Cell wall C: Cell membrane D: Nucleus withmembrane