all of these are basic building blocks of the body dna is the smallest part that together with proteins forms a chromosome a chromosome is therefore nothing but a chain of dna that has been made compact enough to fit into a cell summary 1 both chromosomes and dna make up an important part of a person s genes 2
Define missing. missing synonyms, missing pronunciation, missing translation, English dictionary definition of missing. adj. 1. a. Not present; absent. b. Lost: a missing person; soldiers missing in action. 2. Lacking; wanting: This book has 12 missing pages. adj 1.
trace 1. (trÄs) n. 1. a. A visible mark, such as a footprint, made or left by the passage of a person, animal, or thing. b. Evidence or an indication of the former presence or existence of something; a vestige: left without a trace of having been there.