0
Briefly, proteins (polypeptides) look like amino acids chained together; look at the link below for a detailed description of proteins' appearance.
Proteins have a couple different levels of structure including the primary, secondary, tertiary, and quaternary. At the primary structure, proteins are just linked amino acids through peptide bonds. Amino acids have the same general structure with a variable R-group.
At the secondary structure, the chemical properties of the amino acids form hydrogen bonds with each other and give shape to the protein. The two general shapes of proteins at the secondary structure: alpha helices and beta-pleated sheets. An alpha helix looks like a spiral while a beta-pleated sheet looks like stairs. See the related links below for images.
The tertiary structure is characterized by further interactions by the R-groups on the amino acids. Various bonds can distort the alpha helix or beta-pleated sheet such as ionic bonds, disulfide bridges, covalent bonds, and hydrophobic interactions.
The complete protein is seen at the quaternary structure, which is the arrangements of polypeptides into a single macromolecule.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoThe primary structure of a protein is called a polypeptide chain and is made of a variable length of different amino acids that have been specified by genetic information contained in the appropriate cell. No bonding or folding has taken place yet.
Add your answer:
Earn +20 pts
What is the smallest functional and structural unit of protein?
The smallest structural unit of a protein is the amino acid. The smallest functional unit of a protein is a little ambiguous, because some might consider the amino acid to be functional (after all, some can function as neurotransmitters). Or, some might consider the peptide (di, tri, etc) to be a functional unit. One could argue what exactly is the smallest functional unit of a protein.
What determine the shape and function of a protein?
Conformation is what determines a protein's unique set of functional and otherwise shapes.
What is protein and how is it made?
Protein is a biomolecule made up of functional units known as amino acids.
Which type of protein shields a newly forming protein from cytoplasmic influences while it is folding into its functional form?
Chaperonins
What are the structural and functional characteristics of a protein determined by?
amino acid sequence
Is collagen a functional protein?
nothing
What is the smallest functional and structural unit of protein?
The smallest structural unit of a protein is the amino acid. The smallest functional unit of a protein is a little ambiguous, because some might consider the amino acid to be functional (after all, some can function as neurotransmitters). Or, some might consider the peptide (di, tri, etc) to be a functional unit. One could argue what exactly is the smallest functional unit of a protein.
What determine the shape and function of a protein?
Conformation is what determines a protein's unique set of functional and otherwise shapes.
Is a protein an enzyme?
Yes it is. A protein is made from a long string of amino-acids. Proteins come in three specific types: structural, functional, and regulatory. Enzymes reside in the Functional Class of Enzymes.
What is protein and how is it made?
Protein is a biomolecule made up of functional units known as amino acids.
What do look like nuclear membrane do?
regulates the exchange of materials like protein
Which type of protein shields a newly forming protein from cytoplasmic influences while it is folding into its functional form?
Chaperonins
Which is a functional of a protein marcromolecule?
Makes up the code for living things
What are the structural and functional characteristics of a protein determined by?
amino acid sequence
Primary protein structure is dependent on?
Primary protein structure is the order of amino acids that compose the protein and their arrangement into 2 dimensional structures like sheets or helixes is secondary. Tertiary structure is the mixed composition of secondary forms to make a three dimension protein and quaternary structure is how the protein becomes part of a functional unit like hemoglobin inside of a blood molecule.
What does the word gene?
A gene is a functional unit on DNA. A gene codes for a protein. Most of the DNA in a genome does not code for protein. These non-coding sequences are thought to provide a sense of stability and integrity to the genome. If a DNA sequence is capable of coding for a functional protein, then it is a gene
What does the the centrioles look like?
It's a circle with fluid in it that takes protein in and out.
