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Because the deletion mutation would cause a frame shift in the DNA base sequence and hence would lead to the formation of new base triplets. As a result, the primary structure of the enzyme would be diffe...

Water molecules move down their concentration gradient, across the partially permeable cell membrane, from a high concentration to a low concentration. Osmosis continues until the concentration of water m...

Because metals contain a ‘sea’ of delocalised electrons that are free to move around the metallic lattice, carrying charge.

While looking at the passage, let's look at what type of language the writer has chosen to use: have they used short/long words, is the structure of the passage regular/consistent, are the words powerful/...

In order for efficient gas exchange to take place, an exchange surface, such as the alveoli in the lungs, should have the following: a large surface area to volume ratio, so that diffusion can occur at a ...