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The main difference between eukaryotes and prokaryotes is that eukaryotic cells contain membrane-bound organelles (this includes a nucleus). Eukaryotes can be a single-celled or multi-celled organisms, su...

Phototropism is a growth response to a light stimulus.Positive phototropism causes the stems of plants to grow towards a light source causing the leaves of the plant to be pointing towards the lgth source...

Enzymes have an area on them known as the ACTIVE SITE. This active site is shaped to fit the substrate that will bind to it -complementary fit. Eventually, the bonds in the active site of the enzymes are ...

Firstly, think of similarities between the processes. For example, neither process requires energy, so they are passive processes. This means that in both processes, molecules must move from a high concen...

Temperature can affect rate of reaction. As temperature increases, rate of reaction also increases, because enzymes have more kinetic energy. This continues up to the optimum temperature (for enzymes in h...