State the Message Once and in as Few Words as Possible

question 49

Short Answer

State the message once and in as few words as possible .

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Definitions:

Gravity Perception

The ability of an organism to sense the direction of gravity, enabling it to orient itself correctly in its environment, critical for plant root growth and animal movement.

Root Apical Meristem

The region at the tips of roots in plants where cells are continuously dividing, allowing roots to grow and extend into the soil.

Pfr

A form of the phytochrome, a photoreceptor protein in plants, that is active in red and far-red light for regulating plant growth.

Far-Red Light

Far-red light refers to the deep red light near infrared, with wavelengths between 700nm and 800nm, important in plant photomorphogenesis.