You have isolated an organism that contains endospore. You can assume that this cell lacks
A. cell wall
B. membrane-enclosed organelles
C. plasmid
D. pili
E. Not enough information to assume anything
Ans: B. membrane-enclosed organelles
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Systemic fungal infections are difficult to treat because active antifungal drugs cause significant host toxicity
Indicate whether the statement is true or false.
The typical osmolarity of most body fluids in humans and other mammals is
a. ~5 mOsm/L. b. ~225 mOsm/L. c. ~300 mOsm/L. d. ~1000 mOsm/L. e. ~1500 mOsm/L.
All organisms that photosynthesize fit into which nutritional category?
A) mixotroph B) heterotrophs C) autotrophs D) parasites
Which of the following characteristics could NOT be used to differentiate between the three worm phyla, Annelida, Platyhelminthes, and Nematoda?
a. Segmentation b. Growth by molting c. Presence of a complete gut, with two openings d. Bilateral symmetry e. The presence of eye spots