Fats are composed of two types of smaller molecules.  These molecules are:

Most common form of regulation in living organisms is ___(1)___.  In ___(2)___, the end product speeds up its own production.

Which of the following is FALSE about the difference between DNA and RNA?

The family on the periodic table that is the most stable is:

Ethane represented in the following form is an example of __________________.     

Determine how many grams of urea are needed to make a 0.25 liter solution of 3.0 M ribose.  The information below may be of some use The molecular formula for ribose is C5H10O5. The following is a list of atomic masses:   carbon: 12 daltons   hydrogen: 1 dalton   nitrogen: 14 daltons   oxygen:  16 daltons. Avogadro’s number is 6.02 x 1023.   

Which of the following is named correctly? I. Fe(NO3)2 = Iron (III) nitrate II. Li2S = lithium sulfide III. CF4 = carbon tetrafluoride IV. ZnO = Zn (I) oxide

The alkaline earth metal in period 3 of the periodic table has ______ valence electrons and would form the _______ ion when it reacts:

The following mineral has a hardness of greater than 5.5, exhibits fracture, and has a brown-black streak. Identify the mineral. Hint: This mineral is known as Fool’s Gold

Below is a molecule of 2-Methylpropane and Butane.  What type of isomers are these molecules?