[DOC] [TLE] The Shape and Structure of Proteins - Molecular Biology of the Cell ... [PAR] A protein molecule is made from a long chain of these amino acids, each linked 
to its ... that are not involved in making a peptide bond and which give each 
amino acid its .... Each protein normally folds up into a single stable conformation. 
.... and turns in their polypeptide chains, which are several hundred amino acids 
long... [DOC] [TLE] Amino Acids | ASU - Ask A Biologist [PAR] These chains of amino acid building blocks can then fold into all types of shapes. 
... The human body uses just 21 amino acids to make all the proteins it needs to 
... the amino acid building blocks that make up protein and re-use these to make 
new, ... As it turns out, your cells can make most of the amino acids it needs from
... [DOC] [TLE] The Structure of Proteins [PAR] Apr 21, 2002 ... Proteins are polymers of amino acids covalently linked through ... To accomplish 
these goals, one would like to have a firm grasp of protein structure ... There are 
20 different amino acids that make up essentially all proteins on earth. ... The 
unique side chains confer unique chemical properties on amino... [DOC] [TLE] Chemistry for Biologists: Proteins [PAR] Proteins. Importance. Proteins are naturally occurring polypeptides. They: ... 
These are determined by the sequence of amino acids that make them up. ... has 
a huge influence on the shape and structure of proteins, which in turn determine 
how they behave. ... Within a chain the atoms are held together by covalent 
bonds. [DOC] [TLE] protein structure - Chemguide [PAR] This page explains how amino acids combine to make proteins and what is ... 
You have to use this term because strictly speaking a peptide chain isn't made up 
of amino acids. ... These secondary structures are held together by hydrogen 
bonds. ... each complete turn of the spiral has 3.6 (approximately) amino acid 
residues... [DOC] [TLE] Amino Acids and Proteins [PAR] Proteins are made of amino acids, in long chains (polymers). ... All cells in all 
organisms (bacteria, protozoa, fungi, plants, and animals) use these 20 amino 
acids to make proteins. ... Proteins have up to four levels of structure. ... 
Sometimes a protein can be turned "off" or turned "on" when a molecule binds 
and causes a... [DOC] [TLE] Protein Structure - Boundless [PAR] Learn more about protein structure in the Boundless open textbook. ... we need to 
understand these four levels of protein structure: primary, secondary, tertiary, and 
quaternary. ... sequence of amino acids in each polypeptide chain that makes up 
the protein. ... Every helical turn in an alpha helix has 3.6 amino acid residues. [DOC] [TLE] Proteins - MSU Chemistry [PAR] As expected, the free amine and carboxylic acid functions on a peptide chain 
form a ... The color shaded rectangles in the lower structure define these regions, 
and identify ... The different amino acids that make up a peptide or protein, and 
the order in which .... Three amino acids, Thr, Gly & Ala, fall entirely within this 
turn. [DOC] [TLE] Review: Protein Structure [PAR] A review of some elementary concepts relating to protein structure is provided 
here. ... Structures of amino acids, with their R-groups in blue, are shown below 
with their ... backbone amino and carbonyl groups and those in the next turn of 
the helix, ... the b-barrel, is equivalent to a b-sheet that is rolled up to form a 
cylinder. [DOC] [TLE] Chem4Kids.com: Biochemistry: Amino Acids [PAR] Amino acids are used in every cell of your body to build the proteins you need to 
survive. ... A carboxyl group is made up of one carbon (C) and two oxygen (O) 
atoms. ... Amino acids bond together to make long chains. ... These names refer 
to the way the side groups, sometimes called "R" groups, interact with the... [DOC] [TLE] Proteins - HyperPhysics [PAR] Proteins are the "workhorse" molecules of life, taking part

Question: Amino acids make up these chains, which in turn make up proteins
Answer: Polypeptides