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Home Q & A Board Biology-Related Homework Help General Biology
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Eminoa Eminoa
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6 years ago
Using severed aphid mouthparts, scientists have verified that in most species the phloem translocates mostly ____, but
  that ____ may also be translocated.
  a. glucose; amino acids
  b. glucose; sugar alcohols
  c. glucose; cellulose and starch
  d. sucrose; raffinose and sorbitol
  e. sucrose; glucose

Question 2

According to the pressure-flow model, ____.
  a. water moves from an area of positive water potential to an area of negative water potential
  b. the evaporative pull of transpiration produces tension at the top of the plant
  c. the flow of sugar is driven by a pressure gradient between the source and the sink
  d. pressure is created by the movement of water into the roots from the soil
  e. the production of sugar pushes it out of the chloroplast and into the xylem
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kamehameha2014kamehameha2014
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6 years ago
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Eminoa Author
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6 years ago
Smiling Face with Open Mouth that's the expression my face made when I got the notification email
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6 years ago
glad I put that smile on your face Happy Dummy
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