Sodium ions are harmful to plant cells at high concentrations because they disrupt enzyme function and cause changes in turgor. What is the most reasonable explanation for the fact that some plants are able to grow in salty soils?

+1 vote

 

  

Salt-tolerant plants have a cuticle on their roots that excludes salt.

  

Salt-tolerant plants have fewer sodium channels in their roots.

  

Salt-tolerant plants contain high concentrations of positive ions, which exclude sodium ions from the roots.

  

Salt-tolerant plants have more sodium channels in their roots.

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

0 votes

 

Salt-tolerant plants have fewer sodium channels in their roots.

 

answered Dec 31, 2012 by anonymous

Related questions




...