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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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

Constitutive genes code for proteins that are needed for survival

__________________ Indicate whether the statement is true or false.

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