Where is the histone tail located?
a. at the GPI anchor
b. at the C-terminus
c. at the N-terminus
d. between peptides
c. at the N-terminus
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Methylene blue
(a) is used to kill cells that are moving too quickly to observe. (b) detoxifies cells so they are safe to handle. (c) is used as food for Physarum cells. (d) is a biological stain used to increase contrast of transparent cells.
In order to activate the cell mediated immune response, which event must occur?
a. A naïve helper T cell must bind to an antigen-presenting dendritic cell.
Some highly specialized cells do not undergo a cell cycle.
a. true b. false
Which of the following statements about toxoplasmosis is FALSE?
A) It is caused by a protozoan. B) The reservoir is cats. C) It is transmitted by the gastrointestinal route. D) It is a severe illness in adults. E) It can be congenital.