Bacteria are abundant and useful decomposers. What are fungal decomposers able to do better than bacteria?
What will be an ideal response?
Bacteria tend to grow mainly on surfaces. By contrast, fungal hyphae can extend deep into a dead log or other bulky food source. Therefore, they can break down complex compounds in organic wastes and remains that bacteria cannot reach and release some soluble nutrients escape into nearby soil or water.
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The TATA box is a key element of the ____ of most eukaryotic protein-coding genes
a. terminator b. coding region c. promoter d. transcription start point e. introns
For glycolysis to begin, ____
a. glucose must enter the mitochondria b. there must be an input of energy from ATP c. oxygen must be available d. some hydrogen acceptors must be available e. there must be an input of energy from ADP
In producing a recombinant plasmid to be used to clone a given donor insert, it is possible to cut both the donor and plasmid with the same restriction enzyme, resulting in complementary sticky ends
Assuming plenty of plasmid DNA is available, why is further selection necessary before the introduction of the plasmid into a cellular system? A) Contamination will have introduced other donor inserts. B) Some donor inserts will be single stranded and deteriorate. C) Some donor inserts will be sensitive to particular antibiotics. D) Some donor pieces will remain uninserted. E) Some donor strands will be inserted with an incorrect orientation.
In the classic study by Weingarten, the rats ________ each time the buzzer and light were presented during the test phase.
(a) exhibited conditioned fear (b) ate (c) avoided the food (d) vomited