Some antibiotics act by attaching to ribosomes and stopping protein synthesis. Which statement explains why these antibiotics destroy bacterial cells but do not affect human cells?
- AIn bacterial cells mRNA is formed in the cytoplasm from naked DNA.
- BRibosomes in human cells have a different structure from those in bacterial cells.
- CThe antibiotics cannot pass through human cell surface membranes.
- DThe tRNA molecules in bacterial cells are different from those in human cells.