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Q. An ecologist studying plants in the desert performed the follow experiment.
She staked out 2 identical plots, each of that included a few sagebrush plants and numerous small annual wildflowers. She found the same five wildflower species in roughly equal numbers on both plots. She then enclosed one of the plots with a fence to keep out kangaroo rats, the most ordinary grainivores of the area. After two years, four of the flower species were no longer present in the fenced plot, but one species had increased drastically.
Using principles of community ecology, propose a hypothesis to explain the results and outline her methods and science processes (as in dependent variable, independent variable, controls, constants) as used in the experiment. What extra evidence would support your hypothesis?
What F1 phenotypic and genotypic ratios are formed from this cross . how may this affect the rate of protein synthesis.
In which population is the frequency of the allele for brown feathers highest? Explain and in which population would it be least likely that an accident would significantly alter the frequency of the brown allele?
Observation of two different cell types indicate a couple of difference in their mitochondria . Cell type 1 has 2-3 times the mitochondria of cell type 2. The mitochondria in cell type 1 are also larger,contain more cristae and the cristae extend ..
How, at what time the shoot tip touched the other plant's stem did the shoot switch from growing straight to growing in a spiral? Write down a hypothesis first.
If you added 7.5g of NaCl to 1L of Mannitol Salt agar instead of what the recipe calls for (lab manual) would the media still be differential? Would it still be selective? Explain.
Indicate how the landfill under construction will be superior to the old landfill for each difference. Plan a new product. "Build" your new product.
How long would it take E. coli to replicate its entire genome (4.2 x 10 ^ 6 base pairs), assuming a replication rate of 1,000 nucleotides
A company has designed a new weight loss drug. They want to determine if the drug is carcinogenic, so they use it in the Ames test.
Is an RNA polymerase insensitive to ?-amanitin concentrated at the Poly-A site, the chromosomal territory, spliceosome, the nucleolus, or the chromosomal matrix protein?
You have 0.05 mL of an undiluted culture at a concentration of 3.6 x 10^6 CFU/mL. You then add 4.95 mL sterile diluent. What is the dilution, and what is the final concentration of cells?
A worried patient visits her physician for just not feeling right. You are responsible for performing a preliminary evaluation of this patient. She provides you with the following data.
What compound is produced in your body's skin to protect you against ultraviolet radiation?
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