Phospholipids are important components of the plasma membrane. What does "E" represent on the diagram?
A. phosphorus
B. oxygen
C. nitrogen
D. polar (hydrophilic) region
E. nonpolar (hydrophobic) region
B
You might also like to view...
The neural arch is formed by the
A. two pedicles and two laminae. B. two pedicles, two laminae, and body. C. two pedicles and body. D. two laminae and body.
On the pH scale, which number has the highest concentration of hydrogen ions?
A) pH 10 B) pH 1 C) pH 7 D) pH 5
The ________ are the photoreceptors responsible for night vision.
Fill in the blank(s) with the appropriate word(s).
Which is not correct regarding the penis?
A. The penis is the male copulatory organ. B. The root of the penis is attached to the pubic arch. C. The prepuce is removed during circumcision. D. The enlarged proximal end is called the glans. E. The body of the penis contains the corpora cavernosa and corpus spongiosum.