Which of the following is NOT a stimulus that can be perceived by sensory signals?
a. radiation
b. heat
c. body position
d. magnetic fields
e. electrical fields
A
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Consider the map shown below of a portion of a prokaryotic genome. How might the elements indicated affect the stability and structure of the genome? Assume that IS2 encodes for a transposase that catalyzes conservative transposition
Re-draw the genome map to illustrate your prediction if necessary. | IS2 |__gene1 gene2 gene3 | IS2 | geneA geneB geneC | IS2 | geneD | IS2 | geneX What will be an ideal response?
The simple plant tissues are ____________________, ____________________, and ____________________. Fill in the blank(s) with the appropriate word(s)
The tropics are known to have greater species diversity than the temperate zones.Which explanation for this phenomenon is the LEAST convincing?
A. Fewer predators in the tropics allow more prey species to flourish. B. Niches are narrower in the tropics. C. The tropics have greater plant production, which supports greater overall species richness. D. Seasonal variability is less in the tropics. E. Greater spatial heterogeneity in the tropics creates more niches.
Neutrophils can kill bacteria by nonphagocytic mechanisms
Indicate whether the statement is true or false