Visible light (also called white light) (3 points) a. makes up the entire electromagnetic spectrum b. makes up only a small part of the electromagnetic spectrum c. is not a form of radiation d. is not electromagnetic

Which one of the following is true of trnas? a) trnas are double-stranded. b) each trna binds a particular amino acid. c) there are four types of trna. d) trnas carry special sequences known as codons. e) all of the above