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

    内容

    • 0

      In the following cells, which cell is derived from monocytes A: fibroblast B: macrophage C: mast cell D: plasma cell E: fat cell

    • 1

      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

    • 2

      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

    • 3

      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

    • 4

      Which of the following is not a function of a glycocalyx? A: It forms pseudopods for faster mobility of an organism. B: It can protect a bacterial cell from drying out. C: It protects a bacterial cell from killing by phagocytes. D: It allows a bacterium to stick to a host.