body tissues are system of specialized cells that carry out common function. How are proteins and body cells related?

Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs. ... There are 20 different types of amino acids that can be combined to make a protein. Both do most the work.

Explanation:

Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs. ... There are 20 different types of amino acids that can be combined to make a protein. Both do most the work.

Explanation:

the answer is b. 0; 4

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.