The number of amino acids that will be in the polypeptide chain produced by the normal DNA or MRNA sequence is usually 30 amino acids. Although the number of amino acids depends on the function of the generated DNA or RNA. The types of amino acids also differ depending on the function.
The answer is glucose ( number 4)
I think the correct answer from the choices listed above is option B. Keratin is the protein in mammals which shows only a primary and secondary structure. Keratin is a fibrous protein forming the structural constituent of hair, feathers, hoofs, claws and many others.
B.cyanobacteria
hope it is correct
Cell Theory #1: Cells are the basic structure and function of a living thing.
Cell Theory #2: All organisms (living things) are made out of cells.
Cell Theory #3: Only existing cells can make new cells.
