Antibiotics either directly kill bacteria or slow their growth, leaving the immune system to finish the job. The drugs work in several ways — by preventing bacteria from building sturdy walls or making copies of their DNA, for instance. Growth-slowing antibiotics usually disrupt ribosomes, the factories in which bacterial cells make proteins.
PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.
Recorded Answer
Current status:
Beginning in 35 seconds.