Quaternary structures of proteins include different protein and non protein moiety to work together.
Option B
<h3><u>Explanation:</u></h3>
Proteins are the polymer of amino acids which are formed after several processing. The polypeptide chains are formed when the transcripted mRNAs are translated in the Ribosomes to produce the polypeptide chains. Then they are further processed by slicings and adding and cutting of several protein parts to this main polypeptide chains and they are slightly folded by means of hydrogen bonds between the polypeptide chain atoms to give a slightly coiled structure. Now this secondary polypeptide undergoes several structural modifications by chaperon proteins which introduce different ionic, disulphide, covalent etc bondings between different parts of polypeptide chain to produce a highly coiled tertiary structure.
Now in some proteins like haemoglobin, there are the protein part i.e globin associated with haem chains, which is the Quaternary structure of proteins. It's formed when different proteins are together associated to perform a particular function.
The <span>level of the organization refers to all the type of environments in which organisms can be found is cells</span>
Mars, Mars supplies all the plants with carbon dioxide, since they have no oxygen of their own
The respiratory structure that comprises a cartilage as well as the ligaments would be the trachea which is the answer. The trachea which is known as windpipe is a tube connecting pharynx and larynx into the lungs allowing the air to pass through.
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Meiosis is a form of cell division that results in four daughter cells. It is germline cells (gametes) that undergo this process.
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