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Which of the following prokaryotes lacks cell walls?

The cell walls of protozoa consist of _________________.

____________________________ are fungal asexual spores that are made in a sac.

Yeasts are members of this domain.

What is unique about the bacteria in the cow’s rumen?

This algae makes a neurotoxin that affect fish and humans.  These toxins form bloody lesions and neurological problems.

These filaments are located between the cell wall and cell membrane of Gram-negative spirochetes and are used for motility.

These golden brown algae, that include plankton, are important for water food chains and the production of atmospheric oxygen gas.

These fungal vegetative forms have slender filaments of cytoplasm and nuclei.

Green and purple sulfur bacteria live in anaerobic conditions and produce this photosynthetic pigment.