Draw a line that would show the energy of the reaction if an enzyme were added. Would the activation energy be greater or less than that of a reaction without anenzyme?

Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.

Explanation:

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igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.