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A defining characteristic of allopatricspeciation is
a. theappearance of new species in the midst of old ones. b. asexuallyreproducing populations. c. geographicisolation. d. artificialselection. e. largepopulations.
In the experiment, we will establish microcosms to test the effect of illumination on relative abundance of our two ciliate phenotypes. You will use three beakers filled with water.
utilizing knowledge from your learning and assigned readings respond to the following questionsa how does mitosis
The "Primordial soup" includes the mixture of elements and gases which are thought to have started life on the Earth. Describe Miller and Urey's experiment.
1 µl containing 1 ng of supercoiled Bluescript plasmid DNA was mixed with 50 µl of electrocompetent cells. The cells were electroporated and 500 µl of SOC media was immediately added and the cells were incubated at 37 C for 1 hour to allow them to re..
Agarose gel electrophoresis was conducted on undifferentiated myogenin, differentiated myogenin, undifferentiated GAPDH, differentiated GAPDH, and a negative control ladder. The UV image of the products produced only the ladder. What could cause t..
Assume that you measure the OD of two E.coli cultures: culture A and culture B. The spectrophotometer gives you a reading of 3.2 for culture A and 0.01 for culture B. What would you do to determine the concentration of culture A and B and why? Giv..
Assume i f you are performing in-situ hybridization to detect mRNA, why do you use the antisense strand? Are you using RNA or DNA as a probe for mRNA?
What will be appearance of the offspring of a cross of the F1 peaches back to that smooth,oval glanded parent. How several diploid Drosophila cells would be needed to have 1 picomole of each allele.
Diagram & describe how the oxygen-carrying pigments in mammals help ensure that tissues will get enough oxygen.
To determine which segments of the electron transport system (ETS) are responsible for proton pumping and hence for ATP synthesis, investigators usually incubate isolated mitochondria under conditions such that only a portion of the ETS is functio..
Describe one familial genetic disease that is carried by a dominant gene and one that is carried by a recessive gene.
Explain how each of these factors will affect the melting temperature of DNA.
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