please help me!!?

Question

What are proteins made of? How does the cell know how to construct the protein properly?

Could you explain it in five to seven sentences?

Answer 1

Proteins are made of amino acids, which are made of carbon, oxygen, nitrogen and hydrogen atoms primarily. The cell constructs proteins that are based on a DNA template, such that 3 consecutive bases in DNA represent 1 codon, and each codon represents one amino acid. The DNA template is "transcribed" to mRNA, and the mRNA is "translated" into proteins by stringing together the amino acids encoded by the DNA.

Answer 2

Proteins are made up of molecules called amino acids. Amino acids are linked together by peptide bonds into a chain. The chain is often folded and has other bonds between different parts of the same chain which determine its three dimensional shape. The cell constructs the protein by making a copy of its DNA code in the nucleus and then translating this code into a chain of amino acids. This translation occurs outside the nucleus, in the cytoplasm, at organelles called ribosomes. The ribosomes attach to the DNA copy and "read" it while bringing together and attaching amino acids in the correct order to form the protein.

Answer 3

Protein: A large molecule composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding for the protein.

Proteins are required for the structure, function, and regulation of the body's cells, tissues, and organs. Each protein has unique functions. Proteins are essential components of muscles, skin, bones and the body as a whole.

Examples of proteins include whole classes of important molecules, among them enzymes, hormones, and antibodies.

Protein is one of the three types of nutrients used as energy sources by the body, the other two being carbohydrate and fat. Proteins and carbohydrates each provide 4 calories of energy per gram, while fats produce 9 calories per gram.

The word "protein" was introduced into science by the great Swedish physician and chemist Jöns Jacob Berzelius (1779-1848) who also determined the atomic and molecular weights of thousands of substances, discovered several elements including selenium, first isolated silicon and titanium, and created the present system of writing chemical symbols and reactions.

Common Misspellings: protien

Answer 4

A protein (in Greek πρωτεϊνη = first element) is a complex, high molecular weight organic compound that consists of amino acids joined by peptide bonds. Proteins are essential to the structure and function of all living cells and viruses.Many proteins are enzymes or subunits of enzymes. Other proteins play structural or mechanical roles, such as those that form the struts and joints of the cytoskeleton. ...
en.wikipedia.org/wiki/Protein