List the characteristics suggesting that fungi should be assigned to the opisthokont clade. What will be an ideal response?
Key similarities of fungi and opisthokonts include platelike cristae in their mitochondria, a
single posterior flagellum in flagellated species, and certain genetic/molecular characteristics.
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Which of the following statements about bone and its structure is NOT correct?
A. Bone contains an extracellular matrix of collagen fibers and inorganic calcium phosphate crystals. B. Bone tissue is not living because it contains inorganic calcium phosphate crystals. C. Bone tissue is a special form of connective tissue. D. Bone tissue serves as a reservoir for calcium and phosphate ions. E. Bone marrow is a reservoir for blood stem cells
There is a range of color in mice from black to brown to gray to white. In a region of white sand there is a black volcanic deposit. The white mice survive better on the white sand and the black mice survive better on the black volcanic deposit. This could be an example of
A. sexual selection. B. disruptive selection. C. directional selection. D. stabilizing selection.
Which of the following is NOT a true statement regarding the prothallus?
a. It produces eggs. b. It results from a spore that lands on moist soil and grows. c. It is the free-living haploid life stage of a fern. d. It produces sperm. e. It has a conical structure.
Protein folding in the ER is assisted by a chaperone called
a. BiP. b. PiP. c. Hsp60. d. Hsp90.