A: nucleus
B: cytoplasm
C: Cell membrane
D: lysosomes
举一反三
- 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
- Supporting the cellular framework is ( ). A: Cell membrane B: Cytoplasm C: Nucleus D: Extracellular matrix
- The<br/>main morphological characteristics of serous nuclei are as follows() A: The<br/>nucleus is round, at the bottom of the cell base. B: The<br/>nucleus is oblate, at the bottom of the cell base. C: The<br/>nucleus is round, at the center of the cell. D: The<br/>nucleus is oblate, at the center of the cell. E: The<br/>nucleus is at the top of the cell.
- The envelope of an animal virus is derived from the____of its host cell.( ) A: cell wall B: cell membrane C: glycolyx D: receptors
- 仅在真核细胞中存在而在原核细胞中不存在的细胞结构不包括以下那一项？ A: Nucleus with membrane B: Organelles with membrane C: Ribosome D: Cell wall
内容
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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
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The envelope of an animal virus is derived from the ______ of its host cell. A: cell wall B: glycoproteins C: membrane D: receptors
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The envelope of an animal virus is derived from the ( ) of its host cell. A: cell wall B: membrane C: glycocalyx D: receptors
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Which of the following is incorrect regarding serous gonadal vesicles: A: The top of the cytoplasm contains eosinophilic secretory granules B: The basal cytoplasm is strongly basophilic C: The nucleus is oblate at the base of the cell D: At the base of the cell are a large number of parallel thick endoplasmic reticulum and mitochondria E: More ribosomes
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The imbalance distribution of Na+ and K+ inside and outside the cell is due to () A: the high permeability of cell membrane to K+ in rest condition B: the increase of the permeability of the cell membrane to Na+ when excited C: the result that Na+ and K+ moving across the cell membrane by facilitated diffusion D: the effect of Na+ pump E: the effect of ATP