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A killer alga has invaded waters off California. In June 2004, biologists recognized a Caulerpa taxifolia mutant as an alien invader in San Diego area. This alga normally grows in warm waters of Caribbean Sea, however it can survive colder waters of the Pacific Coast, and if not controlled, could spread from the California south to Peru.
Where does this killer come from? As innocent as it seems, it was bred for home aquariums, and then was probably dumped into water system, where it began to regenerate prolifically. The alga is so adaptive that it may overtake normal flora of an area, outstripping and outcompeting all other living plants. Currently, 10 patches of the killer alga have been sighted off the California coast, and they are being watched closely by the Southern California Caulerpa Action Team.
The U.S government has placed this strain of C.taxifolia on noxious weed list, which means that any possible source of the contamination of the weed will be highly restricted. Shipments that contain any kind of C.taxifolia and pass through an area where variety is established, or thought to be established, will be refused entry. Whether you think this is really that big a deal?
Clarify the principle and advantage of using a rapid identification system. what is the probability that a son born to this woman would be phenotypically normal with respect to both of these traits.
What is an advantage of using GFP fusions to visualize specific proteins, instead of staining cells with fluorescently labelled probes that bind to the target protein.
Suppose after washing your hands, you leave ten bacterial cells on the new bar of soap. You next decide to do a plate count of the soap after it is left in the soap dish for 24 hours. You dilute 1g of the soap 1:10 and plate it on a standard plate co..
Which of following statements is NOT true about the chemical bonds? Both kinds of the chemical bonds involve electrons in the outer shell. Covalent bonds share the electrons between two atoms.
Set up the suitable two-by-two table and determine a measure of association between current smoking and myocardial infarction. Determine a measure of the excess risk of myocardial infarction in cigarette smokers that is attributable to their smoking.
What is meant by the expression "typical spinal nerve unit"? With the aid of a simple diagram, describe and explain the components of such a unit.
Since a doughnut contains a large quantity of energy that can become available for our metabolism when eaten, why isn't the doughnut "jumping" all over the counter or hot to the touch.
What series of nucleotide pairs in a Drosophila gene will encode the amino acid sequence met-trp-phe-trp-met (reading from the amino terminus to the carboxyl terminus).
Joshua Ledergerg said, "Our only real competition for domination of planet remains the viruses." In what respect might you make a similar argument about insects.
What is cloning's MOST IMPORTANT impact on psychology? Cloning could cause mental illness. Cloning has no impact on psychology. Cloning might be used for cures for diseases of the nervous system. Cloning may cross the lines into creating human life.
What are genotypes of the adult that were crossed. 0 percent of a population died from sunburn, of the 10 percent who died 10 individuals were albino and the rest were split evenly between heterozygous (Gg) and dominant individuals (GG). So my questi..
Briefly explain why this mating produces a triploid individual. Why can mitosis proceed normally in triploid cells, but meiosis cannot.
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