Over a million students use our free study notes to help them with their homework
The cell has an outer membrane known as the cell membrane, which envelops the cytoplasm. The cell also contains mitochondria which work to provide the cell with energy (in the form of ATP) and a nucleus, ...
When starting learning Portuguese, some may wonder whether they need to opt for European (Portuguese as spoken in Portugal) or Brazilian Portuguese. The differences lie mainly in pronunciation, although t...
As you go across the period, the number of protons increases, however the amount of shielding stays the same, so attraction of outer electrons to nucleus increases and more energy is required to remove an...
←
4234
4235
4236
4237
4238
→
Internet Safety
Payment Security
Cyber
Essentials