The macromolecule known as Nucleic Acid :)
Answer:
yes what is your question
All proteins are composed of amino acids. Each amino acid in a protein is linked by chemical bonds. Enzymes are composed of chains of amino acids. Enzymes are a type proteins that turn a cell into a highly developed miniature factory carrying out chemical reactions very fast.
D. is your correct answer
Answer:
Through natural selection the disease gain immunity to the antibiotic.
Explanation:
As the antibiotic kills off the members of the population that are not resistant, leaving only the resistant members. These members then reproduce, passing the immunity to their offspring, causing the population to become immune.