What is the formula of given elements: a). tungsten b). lead c). calcium d). ziriconium

What is the mass of sodium in 3 moles of sodium chloride

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors