Refer to the accompanying figure. Absorption of positively charged mineral ions by the root is facilitated by the movement of:
a. clay particles into the root hair.
b. water into the root hair.
c. protons into the root hair.
d. protons out of the root hair.
e. Mg+ out of the root hair.
d
You might also like to view...
Amebiasis
A. is caused by . B. often causes a bloody diarrhea. C. is an infection of the stomach. D. is restricted to temperate climates. E. is caused by AND often causes a bloody diarrhea.
Which birth control method prevents sperm from exiting the male’s body?
a. rhythm method b. withdrawal c. vasectomy d. tubal ligation e. condom
What is opsonization?
A) Opsonization is the clumping of pathogens to increase the efficiency of phagocytosis. B) Opsonization leads to neutralization of toxins produced by pathogens. C) Opsonization, which is the coating of bacteria with antibodies, allows for more effective phagocytosis of bacteria. D) Opsonization is the coating of helminthes with antibodies, which signal the eosinophils to produce lytic enzymes.
Transmission and scanning electron microscopy differ because
A. transmission electron microscopy has much higher magnification than scanning electron microscopy. B. transmission electron microscopy shows contrast, but scanning electron microscopy does not. C. transmission electron microscopy shows two-dimensional ultrastructure, while the scanning electron microscopy shows three-dimensional structure. D. transmission electron microscopy uses light as an illumination source, while scanning electron microscopy uses electron beams as an illumination source. E. transmission electron microscopy has high resolution, but scanning electron microscopy does not.