The position of an object is given by x=x=x= bt3b t^3bt3. If "x" and "t" are in meters and seconds, respectively, what are the units of "b" ?
Why does not hydrochloric acid damage the stomach wall?
List the possible codons on mRNA that specify each amino acid in Problem 6 and the anticodon on the tRNA that carries that amino acid.
A hollow object with an average density of 900 kg/m3900 \mathrm{~kg} / \mathrm{m}^3900 kg/m3 floats in a pan containing 500 cm3500 \mathrm{~cm}^3500 cm3 of water. Ethanol is added to the water and mixed into it until the object is just on the verge of sinking. What volume of ethanol has been added? (Disregard the loss of volume caused by mixing.)