Chapter 22 Flashcards
Primary
What is the middle structure
Secondary Beta pleated sheet
Tertiary Structure
What is the first structure
Secondary Structure Alpha Helix
Quaternary Structure
Which of the following are considered the most important biological compound?
A) vitamins
B) carbohydrates
C) lipids
D) proteins
Proteins
What are the basic structural units of proteins?
Amino Acids
Which of the following is a function of proteins?
A) catalysis
B) movement
C) storage
D) all of these
All of these
Which of the following proteins is a hormone?
A) casein
B) hemoglobin
C) insulin
D) all of these
Insulin
What determines the functions of amino acids?
Their side chain
Which of the following is a function of proteins?
A) structural
B) carrier
C) storage
D) all of these
All of these
________________ are giant molecules made of amino acids linked together by peptide bonds.
Proteins
Proteins are made of one or more ___________________.
Polypeptide Chains
Amino acids in the solid state, as well as in water, carry both positive and negative charges; they are called ____________.
Zwitterions
A(n) _____________ is the special name given to the amide bond between two amino groups to form chains.
Peptide Bonds
____________ are organic compounds containing an amino group and a carboxyl group.
Amino Acids
Which of the following interactions is not associated with the stabilization of the tertiary structure of a protein?
A) covalent bonding
B) hydrogen bonding
C) hydrophobic interactions
D) None, they are all associated with the tertiary structure.
The are ALL associated
Which of the following defines the tertiary structure of proteins?
A) It is the sequence of amino acid in proteins.
B) It refers to the repetitive conformations of the protein backbone.
C) It is the overall 3-D conformation of a polypeptide chain and the interactions of the side chains.
D) It is the interaction between the subunits of a protein that has more than one polypeptide chain.
It is the overall 3-D conformation of a polypeptide chain and the interactions of the side chains
