When a mycelium infiltrates an unexploited source of dead organic matter, what are most likely to appear within the food source soon thereafter?
A) fungal haustoria
B) soredia
C) fungal enzymes
D) increased oxygen levels
E) larger bacterial populations
Answer: C
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Which of the following is one of the best examples of a commonly shared signaling pathway
connected to memory in invertebrates and vertebrates?
a. Cyclic AMP. b. Cycling RNA c. RNA cyclase. d. RNA binding protein e. non-responsive binding protein
At an inhibitory synapse,
a. no transmitter substances are released by the sending cell. b. a transmitter substance produces changes in the receiving cell that drive the membrane potential away from threshold. c. no transmitter substance can bind to the receiving cell. d. a transmitter substance produces changes in the receiving cell that drive the membrane potential closer to threshold. e. a transmitter is degraded by an enzyme.
Comparing DNA sequences to find evidence of a shared evolutionary history is called ________
A) genomics B) proteomics C) differential relatedness D) bioinformatics
Many root epidermal cells grow projections called ________, which extend from their surface and help in the absorption of water and minerals
A) rhizomes B) cilia C) root hairs D) villi E) rhizoids