As a seed germinates,its shoot points upward toward light,and its root grows downward into the soil.Turn the plant sideways,and the stem and roots bend according to the new direction of gravity.How do roots and shoots respond to gravity?

Question

Quizplus · Accepted Answer

Roots and shoots respond to gravity through sensing the movement of statoliths within the cell. Statoliths are specialized plastids, which sink to the bottom of the cell under the influence of gravity, causing the plant to bend in the opposite direction. This process is called gravitropism, and it allows plants to grow upward toward light and downward into the soil.

As a Seed Germinates,its Shoot Points Upward Toward Light,and Its