The study of the cell cycle focuses on mechanisms that regulate ... to the potential for disease and injury repair via stem cell therapies. Image: Steve Gschmeissner/Science Source.

The standard eukaryotic cell cycle consists of four phases: G1, S, G2, and M phases. There are three phase transitions in a cell cycle: G1/S to initiate DNA synthesis, G2/M to enter mitosis ...

In the nitrogen cycle, phytoplankton and other marine plants turn nitrate (NO 3) into organic nitrogen during photosynthesis. The organic nitrogen sinks into the deep ocean, where microbes "eat ...

Pupils could identify the main stages of the dandelion's cycle from the clip, then draw or order pictures to show its cyclical nature. An extension or follow-up activity could be to identify other ...

Pupils could identify the main stages of a plant’s life cycle from this clip, then draw and order the images to show its cyclical nature. This short film is relevant for teaching Science at KS1 ...