The electron dense cloud surrounding the centrioles in animal cells contains nucleation sites for:
a. MTs made out of alpha and beta subunits
b. MTs made of gamma tubulin
c. Does not exist; it is just an artifact of electron microscopy
d. All of the above
e. None of the above
Answer: b. MTs made of gamma tubulin
You might also like to view...
Some bacteria in the human intestine aid in the digestion and absorption of nutrients, while utilizing these nutrients themselves as well. This is an example of:
A. commensalism. B. mutualism. C. parasitism. D. predation. E. an antagonistic interaction.
Auxotrophs ____
a. are nutritional-requirement mutants b. can grow on minimal media c. feed on proteins d. make their own nutrients e. produce antibiotics
Hominins are characterized by
a. further expansion and elaboration of the brain. b. bipedalism. c. omnivorous feeding behavior. d. further expansion and elaboration of the brain and bipedalism. e. further expansion and elaboration of the brain, bipedalism, and omnivorous feeding behavior.
Compare and contrast the processes of facilitated diffusion and active transport. What will be an ideal response?