The best time to measure an animal's basal metabolic rate is when the animal a is resting and has just completed its first meal of the day. b has recently eaten a sugar-free meal. c is resting and has not eaten its first meal of the day. d has not consume any water for at least 48 hours.

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.