CramX Logo

Q
QuestionBiology

What is turgor pressure, what causes it, and what does it do for a plant?
12 months agoReport content

Answer

Full Solution Locked

Sign in to view the complete step-by-step solution and unlock all study resources.

Step 1:
I'll explain turgor pressure in a clear, step-by-step manner:

Step 2:
: Definition of Turgor Pressure

Turgor pressure is the internal hydrostatic pressure within plant cells that develops when water fills the cell and pushes against the cell wall. It is created by the osmotic movement of water into plant cells through the process of osmosis.

Step 3:
: How Turgor Pressure is Created

h$$ = height of water column in cell
- Water enters plant cells through the cell membrane - The cell's vacuole fills with water - Water creates pressure against the rigid cell wall Where:

Step 4:
: Causes of Turgor Pressure

- Water absorption by plant roots - Differences in solute concentration between cell interior and exterior - Osmotic gradient that drives water movement - Active transport of minerals into cell vacuoles

Step 5:
: Functions of Turgor Pressure

Step 6:

Provides structural support for non-woody plant tissues

Step 7:

Enables plants to maintain upright posture

Step 8:

Facilitates cell expansion during growth

Step 9:

Controls leaf and stem movements

Step 10:

Regulates stomatal opening and closing

Final Answer

Turgor pressure is the internal water pressure in plant cells that provides structural support, enables growth, and helps plants maintain their shape and respond to environmental conditions.