Referring to the above diagram, what structure
is labeled "D"?
a. the appendix
b. the cecum
c. a polyp
d. a portion of the small intestine
e. the colon
D
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The mechanism of pathogenesis by prions may involve a conformational change in the prion protein (PrP) to an abnormal form.
Answer the following statement true (T) or false (F)
For a temperate phage to produce more phage, which of the following must happen?
A. Lysogeny B. Lysogenic conversion C. Induction D. Prophage formation
How does the proton motive force lead to production of ATP?
A) ATPase requires one proton to make one ATP. B) Protons must be pumped against a concentration gradient from outside of the cell into the cell to rotate the F0 subunit of ATPase for the F1 subunit to make ATP. C) Oxidative phosphorylation of ADP by ATP synthase requires protons as cofactors in the reaction. D) Translocation of three to four protons drives the F0 component of ATPase which in turn phosphorylates one ADP into ATP.
Purple phototrophic bacteria that use bacteriochlorophyll a are oxygenic
Indicate whether the statement is true or false.