True or False vacuoles direct cell activities by sending instructions to different parts of an animal cell

Which other elements contain the same number of outer electrons as sodium

  the mississippians were considered to be  horticulturalists, which means they were

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products