Which of the following is a ciliated pathogen of the intestinal tract?
A) Balantidium
B) Plasmodium
C) Trypanosoma
D) Leishmania
E) Giardia
A
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Why do so many eukaryotic pathogens cause highly refractory and long-term chronic infections that are difficult to treat in contrast with prokaryotic pathogens?
What will be an ideal response?
Which of the following can be learned from a computer-based (computation) analysis of the amino acid sequence of a membrane protein, which can be readily deducted from the nucleotide sequence of its isolated gene?
a) its structure b) both its structure and its orientation within the lipid bilayer c) its orientation within the lipid bilayer d) its population in each cell e) its color
Bacterial cells could have any of the following appendages except ________.
A. fimbriae B. pili C. periplasmic flagella (axial filaments) D. flagella E. cilia
Which of the following is false about animals?
a. they are multicellular. b. they are heterotrophic. c. they are autotrophs. d. they lack cell walls. e. most can actively move.