10-5 Resource Acquisition and Plant Transport

10-5 Resource Acquisition and Plant Transport - 10/26/2010...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
10/26/2010 1 Chapter 36 Transport in Vascular Plants SPECIAL SECTION ON MEMBRANES Pp 127-138 Stone plants ( Lithrops ) of the Kalahari desert Adaptations allow plant to: Conserve moisture, avoid potentially harmful natural selection they have become highly proficient at doing so. However there may be tradeoffs. Fig. 36-2-3 H 2 O H 2 O and minerals CO 2 O 2 O 2 CO 2 Sugar Light
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
10/26/2010 2 Fig. 36-5 2.5 mm Fig. 36-8 (a) (b) (c) (d) 0.1 M solution Positive pressure Increased positive pressure Negative pressure (tension) Pure water H 2O H 2O H 2O H 2O ψ P = 0 ψ S = 0 ψ P = 0 ψ S = 0.23 ψ P = 0 ψ S = 0 ψ P = 0 ψ S = 0 ψ P = 0.30 ψ S = 0 ψ P = 0.23 ψ S = 0.23 ψ P = 0.30 ψ S = 0.23 ψ P = 0 ψ S = 0.23 ψ = 0 MPa ψ = 0 MPa ψ = 0 MPa ψ = 0 MPa = 0.23 MPa ψ = 0.07 MPa ψ = 0.30 MPa ψ = 0.23 MPa ψ Fig. 36-9 ψ P = 0 ψ S = 0.7 ψ P = 0 ψ S = 0.9 ψ P = 0 ψ S = 0.7 ψ P = 0 ψ S = 0 ψ = 0.9 MPa ψ = 0.7 MPa ψ = 0 MPa ψ = 0 MPa (a) Initial conditions: cel ular ψ > environmental ψ (b) Initial conditions: cel ular ψ < environmental ψ 0.4 M sucrose solution: Plasmolyzed cel Initial flaccid cel : Pure water: Turgid cel ψ P = 0 ψ S = 0.9 ψ = 0.9 MPa Fig. 36-10 58) The dispersal and/or nurture of young after hatching from the egg A) endosperm B) pol en tube and sperm nuclei C) carpels D) fruit E)
Background image of page 2
10/26/2010 3 Bulk flow long distance transport
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/06/2011 for the course BIO 120 at USC.

Page1 / 9

10-5 Resource Acquisition and Plant Transport - 10/26/2010...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online