vascular FIBONACCI Phyllotaxy
water_potential STUDY Ψ_P(Psi) = 0 at at sea level/room temperature.
water_plants TOILET PAPER: TURGID; Sears tower - internal metal frames.
cell_transport STUDY
root_transport Cortex includes hypodermis and endodermis.
xylem_sap PLASTIC BAG Transpiration.
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SQ: 1=E  2=c            5=B
AQ: 1=e  2=d  3=e                                14=a
CQ: 1=a  2=e  3=c  4=a                           30=D?

0. Water potential: psi (sigh) = MPa (megapascals) = 10 atmospheres of pressure; car tire 0.2 MPa, plant cells 1 MPa.
1. Transpiration: a maize crop 75,000 plants/hectare 10 million L/hectare season (1.25 million gallons/acre)
2. Proton pumps im root: get minerals, also generate root pressure.