The nucleus of an atom is composed of
A. protons.
B. neutrons.
C. electrons.
D. protons and neutrons.
E. protons and electrons.
D. protons and neutrons.
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Fungi feed through extracellular digestion and then absorption. How would the rates of decomposition of detritus be altered if fungicide (something that kills fungi) were sprayed on the forest floor?
A. Decomposition rates would be lowered because fungi would be destroyed. B. Decomposition rates would be higher because bacteria would take over the role of decomposition, and they reproduce at faster rates than fungi. C. Decomposition rates would be the same because fungi don't have hyphae above ground, so they would not be destroyed. D. Decomposition rates would be lowered because fungi would choose to grow in an area without fungicide.
Hox complexes in mammals are homologous to invertebrate ______
A. zygotic genes B. segmentation genes C. homeotic genes D. maternal effect genes
Predators often avoid a mimic species because of
a. its bad taste. b. its toxic secretion. c. its resemblance to a model species. d. its painful sting. e. all of these.
How are transcription factors like a switch?
What will be an ideal response?