Multi-stranded protein cords that function as cables inside of cells are the
A. microtubules.
B. microfilaments.
C. intermediate filaments.
D. all of these are correct.
D. all of these are correct.
You might also like to view...
In examining an unknown animal species during its embryonic development, how can you be sure what you are looking at is a protostome and not a deuterostome?
A) There is evidence of cephalization. B) You see a well-developed coelom. C) The animal is triploblastic. D) The animal is clearly bilaterally symmetrical. E) You see a mouth, but not an anus.
The letter “A” in the above figure represents
a. nerve cords. b. ganglion. c. brain. d. branching nerves. e. none of these.
Steroid hormones depend on receptors inside the cell because these hormones are ________ soluble
Fill in the blank(s) with correct word
This atom in its unbound state has four valence electrons. These electrons readily form single, double, and even triple bonds among themselves to become stable. This atom is:
A. phosphorus. B. hydrogen. C. nitrogen. D. oxygen. E. carbon.