The structural and trophic foundation of coral reefs is a mutualistic relationship between
A) cyanobacteria and sponges (Porifera).
B) chemolithotrophic bacteria and stony corals (Cnidaria).
C) dinoflagellates and stony corals (Cnidaria).
D) cyanobacteria and stony corals (Cnidaria).
Answer: C
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Zebrafish embryos change the color of the melanophore cells in their skin to a darker shade:
A. by dynein motor proteins moving pigment granules outward from the center of the cell. B. by kinesin motor proteins moving pigment granules outward from the center of the cell. C. by dynein motor proteins moving pigment granules inward toward the center of the cell. D. by kinesin motor proteins moving pigment granules inward toward the center of the cell. E. by dynein motor proteins moving pigment granules inward toward the plus end of microtubules.
The autoimmune response to desmosomes or desmosomal components (not hemidesmosomes) leads to a blistering skin disease known as
A) pemphigus. B) Ehlers?Danos syndrome. C) syndecan. D) junctional epidermolysis bullosa. E) listeriosis.
Small, photosynthetic protists found in aquatic habitats are collectively called
a. zooplankton. b. phytoplankton. c. phagoplankton. d. bryophytes. e. chrysophytes.
In a pedigree chart, a female who does not
demonstrate the trait being studied is represented by a a. darkened square. b. clear diamond. c. clear circle. d. darkened triangle. e. darkened oval.