A variety of free-living amoebae and ciliated protozoa are thought to provide a natural reservoir for survival and growth of Legionella spp. in nature.
Answer the following statement true (T) or false (F)
True
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A bivalent contains how many chromatids?
A. 2 B. 4 C. 8 D. Depends on the cell
To which of the following groups does the
organism in the above figure belong? a. diplomonads, parabasalids, trypanosomes, and euglenoids b. ciliates, dinoflagellates, and apicomplexans c. water molds, diatoms, and brown algae d. chlorophyte and charophyte algae e. amoebas and slime molds
Refer to the paragraph above on the venom of marine core snails. This particular conotoxin inhibits acetylcholine receptors that are located _____
A) along the motor neuron axon B) on motor neuron dendrites C) on the presynaptic membrane of the neuromuscular junction D) on the postsynaptic membrane, on the muscle cell
Ozone thinning over Antarctica was so profound that people referred to the lowest ozone region as the _________________.
A. ozone pollution layer B. greenhouse effect C. near-ground ozone D. radiation zone E. ozone hole