SOMEONE HELP WILL GIVE 70 POINTS AND BRAINLIEST. ASAP

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2