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Define and explain the distinction between a Toxicant, a toxin, and a pollutant. Do these definitions overlap? Look up a product online or while walking through your local grocery store and find out what the active ingredient of a common-use Pesticide treatment is. (You may use products LIKE Raid, but DO NOT use Raid...it is far too common and would likely be chosen by more than half of you guys...choose alternate brands focused on one target organism or family of organisms, like ants or bees, or flying insects, etc.). Discuss the classification of this pesticide as a toxicant or a toxin.
Discuss the Biological effects it has on the primary insect or creature it is used against and how it is metabolized to kill off the organism. Contrast this with any known or theorized harmful effects it could have on humans or our environment. Please back up your data with at least two sources in your initial post.
Male frogs give calls that attract female frogs to approach and mate. Researchers examined mating calls of closely related tree frogs in South America. What outcomes be able to occur where the ranges of two species overlap.
What are some examples of plants that display mutualism, commensalism and parasitism in Bukit Timah Nature Reserve (Singapore)
Animals can be classified according to their mode of thermoregulation. Sort the animals below, indicating their likely thermoregulatory strategy. Note that poikilotherms are sometimes referred to as heterotherms.
5-different mutations were derived from base pair substitutions at a single codon. In this codon, the mutant alleles had arginine, leucine.
akt phopshorylation collapse akt phosphorylation can indicate prognosis for cancer diagnosis in most cases
How may this capacity be an advantage to the cell.
Describe negative effects of caffeine on organ system of huma body please iclude the mla citation for this research paper?
what are examples of symbiogenesis? and how those examples could be important ecologically and/or evolutionarily.
What is a hypothesis for: How will increasing the number of yeast cells affect the rate of ATP production by the cells (in moles ATP/hr) if the sugar concentration in the experiment is held constant?
Sialic acid-rich glycoproteins are important components of mammalian cells. They are used by host cells to bind molecules on other cells. In addition, sialic acid moitites can be shed and accumulate around cells or in the extracellular fluid whe..
(Assume that one-half of the volume of the cell is composed of organelles, and thus not available for diffusion of glucose)
Reduction often is referred to as the addition of hydrogens to a compound. It is more chemically correct to refer to reduction as the addition of electrons. Provide an example of a reduction reaction performed by cells in which hydrogen is not add..
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