A few photosynthetic dinoflagellate species are endosymbionts in cells of reef-building corals
What does the dinoflagellate provide to the host coral?
1.Oxygen and carbon dioxide
2.Oxygen and sugar
3.Protection from ultraviolet light
4.Protection from predators
2
Biology & Microbiology
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Constitutive genes code for proteins that are needed for survival
__________________ Indicate whether the statement is true or false.
Biology & Microbiology
A selecting agent
A. causes mutations. B. selects the conditions an organism lives under. C. lowers the percentage of unfavorable genes in a population. D. None of the answers is correct.
Biology & Microbiology
A hypersensitivity reaction refers to immune responses to antigens beyond what would be normal
Indicate whether the statement is true or false
Biology & Microbiology
Which of those listed below is NOT a major target for antibiotics?
a. protein translation b. peptidoglycan synthesis c. cytoskeleton synthesis d. nucleic acid synthesis
Biology & Microbiology