Antibiotics destroy a bacterial infection by disabling ribosomes in the bacteria. Eukarotic cells contain mitochondria that themselves
contain ribosomes while bacterial cells have no organelles and thus
have uncontained ribosomes. How do chemists use this fact to
create antibiotics that can destroy a bacterial infection without
harming human cells?

Mouse liver cells were homogenized and the homogenate subjected to equilibrium density-gradient centrifugation with sucrose gradients. fractions obtained from these gradients were assayed for marker molecules (i.e., molecules that are limited to specific organelles). the results of these assays are shown in the figure. the marker molecules have the following functions: cytochrome oxidase is an enzyme involved in the process by which atp is formed in the complete aerobic degradation of glucose or fatty acids; ribosomal rna forms part of the protein-synthesizing ribosomes; catalase catalyzes decomposition of hydrogen peroxide; acid phosphatase hydrolysis monophosphoric esters at acid ph; cytidylyltransferase is involved in phospholipid biosynthesis; and amino acid permease aids in transport of amino acids across membranes. a) name the marker molecule and give the number of the fraction that is most enriched for each of the following cell components: lysosomes; peroxisomes; mitochondria; plasma membrane; rough endoplasmic reticulum; smooth endoplasmic reticulum.

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?