Because oxygen is more electronegative than hydrogen, the water molecule is:
A. ionic.
B. hydrophilic.
C. hydrophobic.
D. nonpolar.
E. polar.
Answer: E
You might also like to view...
What is the waxy, waterproof band between the plasma membranes of root endodermal cells?
a. cuticle b. plasmodesmata c. root cell wall d. lignin wall e. the Casparian strip
What is a simple way for determining if an annelid is a member of Errantia (a polychaete) or Sedentaria (a clitellate)?
A. Possession of a closed circulatory system B. The layout of the digestive system C. The amount of chaetae (setae) D. The number of segments
For the complete respiration of one molecule of glucose, the citric acid cycle must turn a total of
What will be an ideal response?
Facilitated diffusion is similar to simple diffusion because:
A) each requires the use of energy. B) in both, materials move down their concentration gradient. C) each utilizes vesicles to move material around the cell. D) each requires a protein channel for movement to occur.