This is true.
Hope this helps.
Answer:
The body needs protein to build and repair tissues to make hormones, enzymes, body chemicals e.t.c.
The body also uses protein as a building block of blood , bones, skin , muscles, cartilage e.t.c.
Explanation:
Answer:
Histone proteins act to package DNA, which wraps around the eight histones, into chromosomes. Histone modifications act in diverse biological processes such as transcriptional activation/inactivation, chromosome packaging, and DNA damage/repair.
I am going with x-rays; it is the most visible to the naked eye out of all the choices.