Waterweed grows near the surface of the water in lakes and ponds. it often grows in dense clumps. it has been observed that the chloroplasts in this plant move around inside the cell. how might this be an advantage and a disadvantage to the plant? keep in mind the function of the chloroplast.

What is a traditional chinese touch therapy involving finger pressure applied to specific areas of the body to restore the flow of qi.

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?