What is a big plants
In the world
who can say
I want a answer
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Which statement best describes the function of enzymes?

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?