Which enzyme "unzips" DNA by breaking hydrogen bonds that hold the bases together? a. HELICASE
b. PRIMASE
c. DNA POLYMERASE

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas