The thick layers of cells covering and protecting the delicate apical meristem is called the:
a. root cap.
b. root hairs.
c. pericycle.
d. adventitious root.
e. radicle
a
You might also like to view...
Oxygen, carbon dioxide, as well as other small
molecules, cross the plasma membrane through the process(es) of
a. diffusion. b. osmosis. c. endocytosis and exocytosis. d. active transport. e. facilitated diffusion
What is the primary role of bile salts during
digestion?
a. osmoregulation b. to kill bacteria that may have been consumed c. to coat fat droplets and keep them separated into small droplets d. to enzymatically digest fats e. to do all of these
Adult insects exchange respiratory gases by means of
a. book lungs b. tracheas. c. lungs. d. gills. e. body surfaces.
Pulmonary surfactant does all of the following except:a
reducing the cohesive forces of water molecules. b. reducing the surface tension of water. c. moving water across respiratory surfaces. d. preventing the alveoli from collapsing. e. reducing the energy required to stretch the lungs.