Plants are able to grow in particular directions, for example, towards a light
source, using which of the following mechanisms?

Stem cells in the root meristem divide rapidly.

Proton pumps are activated, increasing pH inside cells.

Hormones cause cells in amertain area to elongate.

Parenchyma cells open and close to regulate fluid.

When are the centromeres broken in meiosis?

When you exhale, air in you lungs moves from the does anyone know the correct answer on apex

Agenetically engineered corn plant is approved for agricultural use. the plant produces pollen that can make its own toxins. these toxins protect the corn plant against pests and no longer require the application of chemical pesticide. what is a likely impact on the farmer of growing such a variety of corn? a- the financial costs for the farmer would be lowered since less crops would be lost to pests. b-the financial costs for the farmer would be lowered since more crops would be lost to pests. c-the farmer may be held responsible for increasing chemical pollution. d-the farmer's expenses for pest control would increase due to an increase in bee population.