Anonymous
06-03-2004, 08:39 PM
Problem 5: Nucleosomes
ans:
A. kinases
Incorrect.
Kinases transfer phosphate as a chemical switch
B. proteases
Incorrect.
Proteases degrade proteins.
C. spindle fibers
Incorrect.
Spindle fibers composed of tubulin are responsible for chromosomal movement during M.
D. histones
Correct.
Yes, the histones form structural complexes with DNA. In the electron microscope, these can take the appearance of beads on a string.
ans:
A. kinases
Incorrect.
Kinases transfer phosphate as a chemical switch
B. proteases
Incorrect.
Proteases degrade proteins.
C. spindle fibers
Incorrect.
Spindle fibers composed of tubulin are responsible for chromosomal movement during M.
D. histones
Correct.
Yes, the histones form structural complexes with DNA. In the electron microscope, these can take the appearance of beads on a string.