All living things are made up of one or more organs
Ture or False

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine

Which chemical bond most likely stores the most energy? o a. double carbon-carbon bond o b. single carbon-carbon bond o c. hydrogen-oxygen bond o d. sodium-chlorine bond