You go to the doctor because you have a bacterial infection in your upper respiratory tract. the doctor prescribes a semisynthetic erythromycin derivative for you to take orally for 10 days. the bacteria in your lungs die, but so do the e. coli in your intestinal tract. why?

Erythromycin is a macrolide that inhibits the synthesis of critical proteins of bacteria,  binding to the ribosomal RNA and preventing the translocation of tRNA from the ribosome complex. This suppresses their growth (an action called bacteriostatic) and can also lead to bacterial death. Since rRNA and tRNA are common across all bacteria, even the E. coli will be affected.

the eggs of the insects should be the first thing collected at the scene.

false

interphase

the period of cell growth when the cell synthesizes new molecules and organelles. the cell is not dividing and it constitutes the majority of the time spent in the cell cycle

prophase

changes occur in the nucleus and cytoplasm. the chromatin condenses to form structures (sister chromatids) visible with a light microscope and the mitotic spindle begins to form, but the nucleus is still in tact

prometaphase

the nuclear envelope fragments and the spindle microtubules attach to the kinetochores of the sister chromatids

metaphase

all the cell's duplicated chromosomes are lined up at an imaginary plane equidistant between the poles of the mitotic spindle

anaphase

begins when sister chromatids separate from each other and ending when a complete set of daughter chromosomes arrives at each of the two poles of the cell

telophase

the daughter nuclei form at the two poles of a cell

cytokinesis

the division of a cytoplasm to form two separate daughter cells. usually occurs during telophase during mitosis. this and mitosis make up to mitotic (m) phase of the cell cycle