[填空题]
The micrograph below shows6, ngln cy3-pd+tu96jale 1s q i .agb0a4v7e3nudtq: x* 8q+5scnd yb E. coli cells.
1.Identify the structure labelled I in the micrograph.
2.If the magnification of the image is x36,000 and the length of cell II in the image is 54 mm, calculate the actual length of cell II in micrometres (µm).The number= µm.
3.State one feature, other than the structure labelled I, that can be used to identify the cells in this micrograph as prokaryotic cells.
