Exam 3: Proteins, Carbohydrates, and Lipids

Refer to the figures below. The section of fatty acid that covalently bonds to glycerol to form a triglyceride is labeled _______.A water molecule is also produced as each fatty acid is covalently bonded to glycerol.

A functional group that releases energy when removed by hydrolysis is the _______ group.

All starches are

Refer to the diagram below, showing a condensation reaction. This reaction occurs during the formation of which protein structure?

Vitamins D, E, and K have multiple-ring structures and are classified as _______ because they are not soluble in water.

A carbohydrate with 24 carbon atoms can be expected to have how many hydrogen and oxygen atoms?

Which amino acid substitution for alanine would least likely affect the three-dimensional shape of the resulting protein?

Chaperones

A triglyceride contains fatty acids and

Which interaction is not involved in the formation of a protein's tertiary structure?

Draw a diagram to show how phospholipids interact with one another and with water molecules to form a membrane bilayer.

Starch and glycogen are different in that only one of them

Butter is solid at room temperature yet liquid at higher temperatures because

Fats and proteins share the use of _______ in establishing their three-dimensional structures.

Refer to the figure below. A protein made up of 125 amino acids contains an isoleucine residue at position 54 in its polypeptide chain.Which amino acid could be substituted for this isoleucine and be expected to cause the least disruption in the protein's three-dimensional structure?

The primary structure of proteins is the _______.The primary structure contains the information necessary for the formation of a secondary structure, including the _______ and the _______.Secondary structure of proteins is stabilized by the formation of _______ bonds.

The atoms that make up carbohydrates are

All of the following are chemically modified carbohydrates except

Polymerization reactions in which polysaccharides are synthesized from monosaccharides

When an organism is exposed to extreme heat, _______ can help return its enzymes to their proper functions.