Exam 2: The Molecules of Life

Carbohydrates

D-amino acids are associated with

Lipids are polar, hydrophilic molecules.

The subunits (building blocks) of proteins are

As DNA is always double-stranded, RNA is always single-stranded.

How many different amino acids are there to choose from when assembling a protein?

Which is NOT True of lipids?

The components of fats are fatty acids and

Unsaturated fats have lower melting points than saturated fats.

Weak bonds are important for the ________ structure of proteins.

Which statement is True of nucleotides?

The atomic number for an atom of a specific element is equal to (Check all that apply)

The characteristic common to all lipids is their

Sharing of electrons between 2 atoms forms a(n)

Which of the following is the correct order from most acidic to least acidic?

Which of the following pairs is mismatched?

Please identify the correct definition.

Acidic or basic amino acids are

The carbohydrate(s) found in nucleic acids is (are)

Dan is a body builder. He decides that he is going to change his diet in an effort to increase his muscle mass. Dan tells you that he plans to eat vegetables and proteins but no fats or carbohydrates, because cells do not naturally contain these molecules and do not need them. You advise Dan that his new diet is not a good choice, and that he would do better to follow a well balanced diet that incorporates healthy amounts of proteins, fats AND carbohydrates. -Dan tells you that he believes that proteins are the primary source of energy for his cells because proteins are easily digested. You tell him that this is