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The two models to explain the actions of enzymes with substrates are the Lock and Key model & Induced fit model. In lock and key the enzyme is the lock and the substrate is the key. As with a lock and...

Por un lado, necesitamos reducir las emisiones de CO₂ para salvar el planeta y no usar todos sus recursos naturales. Las energías renovables, como la energía solar, pueden ayudarnos hacer esto ...

Active transport is the movement of molecules, usually against the concentration gradient (going from low concentration into a higher concentration), and it requires energy. Diffusion is the movement of m...

For a scientific literature research paper, it's best to first read broadly in the area and narrow down the exact question you want to answer. Then, read articles and papers from journals. If they're usef...

The majority of the questions on this paper are not overly complicated or too difficult to answer; the main difficulty is the really strict time limit per question. For the verbal reasoning and quantitati...