A large molecule whose subunits consist of a sugar and a nitrogenous base is called a ____

The coding sequence in the DNA of ________ is normally continuous; that is, it is not interrupted by noncoding sequences.

A. mammals B. bacteria C. plants D. most insects

Which of the following domains contains organisms that are adapted to life in harsh environments?

(a). Domain Archaea (b). Domain Bacteria (c). Domain Eukarya (d). Domain Animalia (e). Domain Plantae

The separation of charge between the

cytoplasm of an unfired neuron and the interstitial fluid creates

a. kinetic energy. b. mechanical energy. c. potential energy. d. chemical energy. e. activation energy

Animals that maintain internal body temperature using heat generated by their own metabolism are called

A) endotherms. B) ectotherms. C) reptiles. D) amphibians.