DECK 5 Flashcards
the link between the two amino acids is
actually _________?
Planar
The sequence of amino acids in a polypeptide chain. Read from the N-terminal amino acid to
the C-terminal amino acid
Primary Structure
Conformations of amino acids in localized regions of a polypeptide chain
Secondary Structure
The complete three-dimensional arrangement of atoms of a polypeptide chain.
Tertiary structure
The spatial relationship and interactions between subunits in a protein
Quarternary Structure
how many possible dipeptides are there?
400
how many possible tripeptides are there?
8000
The number of peptides possible for a chain of (n) amino acids is
20’n
Why is the exact amino acid sequence important
it determines the structure and function
_________ and ________ are both nonapeptides but
have quite different biological functions.
-Vasopressin
-Oxytocin
____________ is an antidiuretic hormone
Vasopressin
__________ affects contractions of the uterus in childbirth
and the muscles of the breast that aid in the secretion
of milk.
Oxytocin
