Which of these is a correct statement about the Irish Potato Famine?
A) Most of the potatoes in Ireland were propagated from cuttings of different plants.
B) Potatoes did not become a key part of the Irish diet until well into the 20th century.
C) The potato originated in Ireland.
D) When the crops were infected by a rot-causing mold, all of the potato plants were susceptible and most were wiped out.
E) Most of the potatoes in Ireland differed genetically.
D) When the crops were infected by a rot-causing mold, all of the potato plants were susceptible and most were wiped out.
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Which of the following processes does not involve bacteriophages?
A) lysogenic conversion B) lytic cycle C) transduction D) transformation
Which of the following is not a mechanical vector?
A. Fomite B. Human C. Fly D. Flea E. Fomite AND human
Which of the following is an example of macroevolution?
A. the origin of horses and donkeys from a common ancestor B. giraffes with longer necks reaching higher tree branches C. antibiotic resistance in S. aureus D. female cardinals preferring males with bright red feathers E. the beaks of cactus finches changing in size in response to a drought on the Galapagos islands
In a polyribosome, which end of the mRNA would have the shortest polypeptides?
What will be an ideal response?