Antibiotics work by affecting things that bacterial cells have but human cells don't. ... The antibiotic penicillin works by keeping a bacterium from building a cell wall. Bacteria and human cells also differ in the structure of their cell membranes and the machinery they use to build proteins or copy DNA.
Answer: rna
Explanation: i got it right on mine
Solar energy because of the sun's rays
Animal because the algae and plant would have to have chloroplast and the bacterium does not have a nucleus as it is a prokaryote.
