How do the unique structural characteristics of mycoplasmas relate to their bacterial morphology?

Which of the following does NOT describe a mechanism of antibiotic resistance among bacteria? enzymes to hydrolyze or chemically alter the antibiotics mutations in target molecules so that antibiotics can no longer bind efflux pumps cell wall diffusion barrier, e.g. Gram-negative outer membrane, Acid Fast cell wall of Mycobacterium O increased synthesis of porins to increase antibiotic diffusion across membranes

A particular bacterium is said to have a streptococcus morphology and arrangement. What does this mean? the cells are rod shaped and occur in clusters the cells are round and occur in chains the cells are round and occur in clusters the cells are spiral and occur singular

hich of the following can produce inactive endospore-like bodies that are infectious to human epithelial cells?   Rickettsia   Echrlichia   Bartonella   Chlamydia   Caulobacter