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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...

By considering which organisms have each of the referred organelles, we can infer their evolutionary order of appearance.Ribosomes are present in every living cells, whereas mitochondria and chloroplasts ...

There are three blood vessel types in humans: arteries, veins and capillaries.Arteries pump blood away from the heart (easy point to remember - "A" in arteries = AWAY from the heart) while veins...

One mark is given for correctly naming each step (of which there are 7 possibilities). Another is given for a correct description of each stage.Prophase: Chromatin condenses to chromosomes / nucleolus dis...