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It's easy think about how they are different if you think about their different functions and environments.

Let's think about the difference between the walls. Animal cells have a thin cell membran...

Animal cells have a cell membrane, which surrounds the outside of the cell to maintain its shape and to keep the cell components inside. They also have a nucleus, which contains all of the genetic mater...

DNA to DNA vs DNA to RNA cell division vs gene expression origin of replication vs promoter sequence

First, draw the graph of time against voltage for a typical action potential and label with points 1-8 (see whiteboard). 1. at rest, the membrane is polarised at -60mv (this is the potential inside the ce...

Receptors detect and sense changes in their surroundings, called stimuli, e.g. a light receptor.
Effectors produce the response to the stimulus, e.g. a muscle.