Which of the following produce organic acids that may contribute to weathering of rocks?
A. Arctic plants
B. Water plants
C. Aerial plants
D. Lichens
E. Mosses
D. Lichens
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_____ are helpful for reconstructing evolutionary relationships because they show the evolutionary development of characters among groups
A. Analogies B. Homologies C. Similes D. Homilies
You find a protist that has a single flagellum surrounded by a collar of microvilli. You correctly
conclude that this organism is
a. a cellular slime mold. b. a plasmodial slime mold. c. a choanoflagellate. d. not an opisthokont. e. not motile.
Imagine that a protein molecule is to be exported from a cell. Describe the pathway that the protein takes from the point of synthesis to export
What will be an ideal response?
Describe the mechanism by which heterochromatin can spread, once it has been established in one region of the chromosome
What will be an ideal response?