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Question: The chloroplast genome of most photosynthetic eukaryotes is roughly 5% the size of the genome of the cyanobacterium from which it is thought to have been derived. In comparison, the genome of a photosynthetic amoeba chloroplast from P.chromatophora is roughly 30%-50% the size of the cyanobacterium from which it is thought to have been derived.
Does this information suggest that P.chromatophora and other photosynthetic eukaryotes share the same history in terms of evolutionary progress? Why or why not?
According to our current knowledge of plant evolution, which group of organisms should feature mitosis most similar to that of land plants.
Explain three examples of wehre fossils have been used to recontruct behavior of extinct animals.
Horn Sporophytes are horn-shaped. Horn Possess Gemmae. Can undergo sexual reproduction. Mosses what is the synapomorphy of hornworts, mosses and vascular plants? Stomata Pores that allow the uptake of CO2 and release of O2, do not close like other st..
In some cases the first gene in the linear sequence appears to be transcribed at a much higher rate than the second and subsequent genes (as in many but not all mRNAs contain the sequences encoded by gene 2 and beyond).
There is approximately 2,000 cubic kilometers of water stored in rivers around the world. Using the terms water cycle, flux and pool, explain under what situations removing 1000 cubic kilometers per year from rivers for human use could be sustainable..
Think about the biological molecules and processes you have studied in the last unit. Provide one example of a biological molecule or process that possesses high levels or potential energy
Create the line bond structure of cis-9-hexadecenoic acid and you do not require to draw hydrogen atoms attached to carbon atoms.
What is the amino acid sequence of this peptide. Does the calculated (CAI) value support the hypothesis that the gene encoding the seven amino acid peptide is likely to be foreign gene?define .
In mice, the A y allele of agouti mice is ecessive lethal allele, but it is dominant for yellow coat color. What phenotypes and ratios of offspring would you expect from the cross of a mouse
What factors establish the choice of a paper strip containing bacterial endospores or a sealed ampule containing an endospore suspension for testing heat-sterilization equipment.
If a 100X solution is 1 M, what is the concentration of a 1X solution? Explain how you would prepare 100 mL of a 0.5 percent w/v agarose in 1X TAE buffer starting with a 20X TAE stock solution and solid agarose powder.
Assume you are mapping genes on the second chromosome of Drosophila melanogaster using three different true breeding mutant strains:
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