Which of the following molecules is nonpolar?
Two molecules with identical molecular formulas but that have different structures are called
Which of the following has identical molecular formulas but different structures and characteristics?
Which of the molecules is polar and acts like a base?
Which functional group characterizes alcohols?
Which functional group forms covalent bonds between peptide chains to stabilize the tertiary structure of proteins?
Which of the followign is a polymer?
Which of the following is a polymer of glucose?
A disaccharide, such as maltose, consists of two molecules of glucose linked by what type of bond?
Which of these is NOT a lipid?
Which of the following is NOT a property of a fat or fatty acid?
They are both soluble in water
The sequence of amino acids in a protein is its______structure.
A protein _______ structure contains helixes and sheets that form from hydrogen bonding between carboxyl and amino groups of the polypeptide chain?
Acetic acid gives vinegar it sour taste. Which functional group is an acid?
Which portion of an amino acid is unique between the 20 different amino acids?
the side chain or R-group
Which is true of the nucleotide base composition within the DNA double helix?
Which of the following statements BEST summarizes structural differences between DNA and RNA?
DNA contains a different sugar then RNA
An amino acid is to protein as a ______is to a nucleic acid.
Friedrich Wohler refuted the scientific concept of vitalism during the early 1800s by provig that organic molecules could be synthesized outside a living organism.
Macromolecules such as lipids and carbohydrates are produced from monomers through condensation reactions.
The sole function of carbohydrates is to serve as energy stores.
Saturated fats are composed of fatty acids with several double bonded carbons.
The primary structure of a protein ultmately determines its three-dimensional structure.
The four nucleotide bases found in DNA are identical to those in RNA.
Which of the following endings will tell you that a molecule is an enzyme?