a fragment of nucleic acid, such as a plasmid or a transposon, that can become incorporated into the DNA of a cell
noun 1. food, as potato chips or candy, that is high in calories but of little nutritional value. 2. anything that is attractive and diverting but of negligible substance: the junk food offered by daytime television. noun 1. food that is low in nutritional value, often highly processed or ready-prepared, and eaten instead of or […]
- Junk heap
[juhng-kee] /ˈdʒʌŋ ki/ noun, Informal. 1. a drug addict, especially one addicted to heroin. 2. a person with an insatiable craving for something: a chocolate junkie. 3. an enthusiastic follower; fan; devotee: a baseball junkie. /ˈdʒʌŋkɪ/ noun (pl) junkies 1. an informal word for a drug addict, esp one who injects heroin into himself n. […]
[juhng-kee] /ˈdʒʌŋ ki/ adjective, junkier, junkiest. 1. of the nature of ; trashy. adj. “run-down, seedy, trashy,” 1876, from junk (n.1) + -y (2).