4) which statement best describes the composition and function of proteins in organisms?

Long chains of amino Proteins are the building blocks of tissues responsible for building and growth. Proteins are also an important nutrient that supplies different body processes.

Proteins are compounds that are composed of chains of amino acids that are crucial in DNA-coding during the processes of cell division. They are considered as the building blocks of life and are in every cell of organisms.

Humans depend on protein from food sources, mostly meat and poultry, which are responsible for repair and energy in muscles

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.