What was the result of collisons between the early earth and other smaller protoplanets

Matter within the protoplanets was absorbed and became the Earth’s core Matter within the protoplanets formed the Earth’s early atmosphere. The trajectory of their motion and energy too can play a vital impact.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

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explanation: