Autoimmunity and autoimmune disease are both most often fatal.
Answer the following statement true (T) or false (F)
False
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Refer to the paragraph about Kawakubo's group. Kawakubo's group created a glycoprotein with a terminal NAG (i.e., a protein with NAG attached to its end). Their hypothesis is that the terminal NAG, and not the protein component , is responsible for the damage to the cell wall in H. pylori. What would be the most appropriate control for testing this hypothesis?
A) Grow H. pylori in a test tube (in vitro) with no glycoprotein. B) Destroy the H. pylori by exposing them to a hypotonic solution. Then add the glycoprotein and observe. C) Expose other species of bacteria to the glycoprotein. D) Grow H. pylori in a test tube with a glycoprotein that has its terminal NAG removed.
Sympatric speciation differs from allopatric speciation because in sympatric speciation
A. a population becomes geographically isolated. B. two populations of the same species merge to form a single population. C. polyploidy must first arise. D. hybrid zones form. E. there are no physcial barriers against interbreeding.
The THI-element is part of the operon that controls synthesis of thymine in mRNA.
Answer the following statement true (T) or false (F)
Red mites (chiggers) spread ________ among both humans and rodents
A) Borrelia recurrentis B) Orientia tsutsugamushi C) Rickettsia rickettsii D) Ehrlichia chaffeensis E) Rickettsia typhi