Determine the micromolar (µm) extinction coefficient (e; units are µm-1 cm-1) for a protein solution assuming that it has a molecular weight of 55,000 g/mole. the slope of the standard curve is 0.973 ml/µg. convert the slope units of ml/µg to µm-1 cm-1.

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Which best term to describe a chemical reaction that absorbs energy from its surroundings? a. thermal conductor b. thermal insulator c. endothermic d. exothermic

What is part of a line has one endpoint and continues in one direction?