The kinetochore serves which of the following functions?
a. Kinetochores anchor spindle fibers to the centrioles.
b. Kinetochores are the site of DNA synthesis.
c. Kinetochores regulate the length of the cell cycle.
d. Kinetochores attach to microtubules during mitosis.
e. Kinetochores are involved in cytokinesis
D
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How do endolithic (living inside rock) microbes make a living in bedrock beneath soil? What kind of trophy do they engage in?
What will be an ideal response?
The level of depolarization at which an action potential will be triggered is referred to as the
A. refractory potential. B. threshold potential. C. resting potential. D. membrane potential. E. cationic potential.
The _______ us the portion of the brain most closely associated with memory and language.
A. thalamus B. brain stem C. cerebrum D. cerebellum
Which of the following statements about hair cells is not true?
A. Their structure includes stereocilia and a kinocilium. B. Bending of the cells triggers ion flow across the cell membrane. C. They are found in the mammalian ear. D. They are found in the fish lateral line system. E. They can be repaired if they rupture.