Which of these are actual mutualistic partnerships that involve a protist and a host organism? A) cellulose-digesting gut protists : wood-eating termites B) dinoflagellates : reef-building coral animals C) Trichomonas : humans D) algae : certain foraminiferans E) all except C

A) Describe the life cycle of a moss, indicating the characteristics by which it differs from that of a fern. B) Describe the major characteristics of Archaea.

1) Which of the following apply(ies) to Bacillus cereus and Bacillus anthracis? Choose all that apply: a) B. anthracis forms spores while B. cereus does not b) B. cereus is more lethal when it causes an infection c) B. anthracis has extra-chromosomal DNA that makes it more pathogenic d) Despite their similar names, the two are actually not at all related e) The 16S rRNA gene sequences of these bacteria are more than 99% identical, meaning that they are actually members of the same species

This is marine biology a) Where do macroalgae tend to live? Middle of the ocean or continental shelf? Why? b) What are two examples of “stiff” algae? What are they made of and what phylum do they belong to? c) What colors do green algae use for photosynthesis? What color do they NOT use? d) Which algal phylum is best adapted to deeper water? Why?e) Would you rather go swimming at a Japanese beach or a California beach? Explain

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what is a colonial flagellate hypothesis? How colonial organisms differ from multicellular?Which structure is represented in this colonial flagellate hypothesis? Which is its role?

W S Fungal infections generally have fewer treatment options because.. a) they are Gram negative cells b) their cell type is eukaryotic like ours c) they can easily mutate their genetic code d) their DNA is more complex than ours Previous Page E Submit Quiz R Next Page 5 of 10 questions saved % H & 8 J K Page 6 of 10

8. In which of the following taxa would you find a cavum pulmonale? A) Crocodile B) Mammal C) Amphibian D) Bird E)Lungfish F) Snake

Apicomplexans evolved from a photosynthetic ancestor and have the remnant of a chloroplast. This organelle no  longer acts in photosynthesis, but remains essential to the protist. Why might targeting this organelle yield an  antimalarial drug with minimal side effects in humans?

A scientist is interested in genetically engineering a fungus that has a limited reproductive process so that it does not accidentally cross breed with other fungi in the laboratory. Which process should be disrupted to hinder fungal reproduction?a) None of theseb) Mycelium formationc) Spore formationd) Nutrient absorptione) Septa formation