Two-cell mature pollen consists of a vegetative cell and a germ cell.
举一反三
- Cell organelles are located within the ____ of the cell. A: nucleus B: cytoplasm C: Cell membrane D: lysosomes
- 中国大学MOOC: Which of the following is a germ cell?
- There are two types of endocytosis, phagocytosis (cell eating) and pinocytosis (cell drinking)._
- 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
- The envelope of an animal virus is derived from the____of its host cell.( ) A: cell wall B: cell membrane C: glycolyx D: receptors