Why is it beneficial to plants that soil particles have negatively-charged surfaces?
A. It helps maintain the water potential of the soil.
B. They attract positively-charged ions and prevent them from being washed deep into the soil.
C. Negatively-charged ions are pushed towards the roots.
D. Toxic metals are trapped and kept away from the plants.
E. They capture negatively-charged ions.
B. They attract positively-charged ions and prevent them from being washed deep into the soil.
Many of the nutrients that plants obtain from the soil are positively charged. These nutrients are attracted to the negative charges of the soil particles. This attraction keeps the nutrients from leaching deeper into the soil or washing away.
You might also like to view...
. A network of protein filaments called ____ lines and reinforces the inner surface of the nuclear
envelope in animal cells.
a. actins b. chromatins c. lamins d. tubulins e. lamellae
If you were designing a new insecticide absorbed via the respiratory system in arthropods, the killing chemical would enter the invertebrate through the
A. epidermis. B. tracheae. C. alveoli. D. bronchioles. E. gills.
Bakers use alcoholic fermentation to produce ____, which causes dough to rise
a. alcohol b. ATP c. butyric acid d. carbon dioxide e. none of these
What is the difference between type 1 and type 2 diabetes?
a. One causes hyperglycemia, while the other causes hypoglycemia. b. One demonstrates protein breakdown, while the other demonstrates protein synthesis. c. One leads to blindness, while the other leads to kidney disorder. d. One has insulin hypersecretion, while the other has insulin hyposecretion. e. One has insulin deficiency, while the other has insulin resistance.