#1. which one of the following statements correctly defines active site? the active site is a site on the enzyme molecule where specific substrate molecules bind./ the active site is a site on the substrate molecule where specific enzyme molecules bind./the active site is a site on the substrate molecule where specific product molecules bind. #2. why are enzymes known as biocatalysts?

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

What is the mass of 0.46 mol of mgcl2

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?