If the child's mother declines the vaccinations, can the same vaccine be used on someone else?

What is the function of the nucleus in the euglena cells you observed?

On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?

Draw the conjugate acid for the following base. remember to include charges and non-bonding electrons where necessary.