Two-cell mature pollen consists of a vegetative cell and a germ cell.
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- Two-cell mature pollen consists of a vegetative cell and a germ cell. A: 正确 B: 错误
- 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?
- 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
- There are two types of endocytosis, phagocytosis (cell eating) and pinocytosis (cell drinking)._