Explanation
Organisms from kingdom Plantae does have cell walls. Organisms from Animalia does NOT have cell walls. Fungi also does have cell walls. Prokaryotic Eubacteria includes bacteria with cell walls. Therefore, the organisms with cell walls are I, III and IV. The correct answer is C.
Answer
C. I, III, IV
Binding to different receptors
The answer is <em>polar</em><em> </em>molecule.
It was fairly easy since you could categorize them based on pitch.
