Bean seeds were planted and put on a sunny windowsill. as the plants grew, their stem bent toward th

Question

Bean seeds were planted and put on a sunny windowsill. as the plants grew, their stem bent toward the window. This binding was most likely caused by an

Accepted Answer

The plant hormone, auxin, is more distributed on the side away from the unilateral illumination causing cells to grow faster in the darkerside, which in turn, causes the plant to bend toward the light. If the distribution were equal, the plant would grow just upwards. Neuro-transmitters are chemicals secreted by multicellular animals and are used in transmitting impulses in the nervous system

Question

Options

Solution

More Plant Growth and Development Questions