The __________ structure refers to the way a protein folds upon itself.
tertiary
Two proteins composed of exactly the same numbers and types of amino acids, but very different sequences, may differ in
all of the above
Explanation:
The sequence of the amino acids in a protein determines the
tertiary structure. The secondary structure of the protein is
determined the sequence. Biologic activity of proteins is determined
by the R groups available for reactions and the shape of the protein.
A change in the shape of a protein can either restrict protein
activity or change protein activity.
Disulfide bridges form between
two cysteines.
Which of the following types of covalent bonds contributes to the tertiary structure of a protein?
disulfide bonds
Which of the following amino acids would most likely be found in the interior of a globular protein that exists in the cytosol of a cell?
isoleucine
What part do Van der Waals forces play in the tertiary structure of a protein?
they are involved in attraction between nonpolar R groups in the protein interior
• Several major interactions take place between R groups:
: hydrophobic interactions, Van der Waals interactions,
ionic
bonding, and formation of disulfide bridges.
Four main types of interactions give a polypeptide its
tertiary structure
Hydrogen Bonds may also participate in stabilizing
the tertiary structure
_______ are strong covalent bonds that
form between two
cysteine molecules.
Disulfide bridges