Proteins located on the surface of the plasma membrane can act as ________ for hormones.
A. enzymes
B. neurotransmitters
C. pseudopods
D. receptors
Answer: D
You might also like to view...
Among animals in the following list, the phenomenon of drag has the most pronounced effect on the locomotion of a
A) Kangaroo. B) Bat. C) Sparrow. D) Trout.
Which membrane type lines cavities that communicate with the exterior and have moist surfaces?
A) cutaneous membranes B) serous membranes C) mucous membranes D) synovial membranes E) fibrocartilaginous membranes
The only special sense not fully functional at birth is the sense of ________
A) equilibrium B) smell C) taste D) vision E) hearing
By the end of 8 weeks, the individual is considered a fetus because
A. the amniotic cavity has formed. B. all the primary germ layers are formed. C. all of the organ systems are present. D. the mesoderm has formed. E. the neural tube and yolk sac have formed.