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Which of these facts provides the best support for the hypothesis that plants evolved from green algae?
1) The chloroplasts of plants and green algae all have both chlorophyll a and b.
2) Plants and green algae have chloroplasts.
3) Plants and green algae are photosynthetic.
The global community is plagued by increasing incidence of lung cancer, colorectal cancer, breast and pancreatic cancers, prostate cancer, non Hodgkin lymphoma, liver, ovarian and esophageal cancers.
Established are 4-microcosms to study the simultaneous effects of light and predation on the relative abundance of our ciliate phenotypes.
Assume you recently found a new variety of sweet pea plants in the area surrounding Chernobyl that cannot be crossed with the sweet pea plants used in Mendel's experiments.
What type of cells emphasizes mainly glycolysis for ATP production. What is the biochemistry of acidic and alcoholic fermentation?
If a population with two alleles is at Hardy-Weinberg equilibrium and the frequency of one allele is 0.6, what is the heterozygote frequency.
Gien that prokayokic organisms are unable to undergo meiosis, what are the methods by which they acquire new genetic information?
Determine the principal reaction that makes an organic, nitrogen containing molecule, capturing the nitrogen in ammonia created through nitrogen fixation.
What is the dissimilarity between vag and vrg genes? How are BvgS and BvgA involved in regulation of virulence genes? What is a phase variation in B. pertussis and what causes it.
Sketch another graph showing the response to selection if the heritability, h2, of pesticide resistance is 0.8. Illustrate an experiment that you could use to measure how this population of beetles responds to the selection that occurs when the popul..
DNA is isolated from two different species. Both DNA samples are found to be exactly the same size. One of the DNA samples has a G+C/A+T ratio of 4.8 and the other 3.2.
When a cell gets to a certain size and has enough organelles and available energy, it may divide into 2 identical cells. This is called Mitosis. Let's tag along in this process of cellular reproduction and review the different phases the cell goes th..
Consumption of puffer fish is often deadly. This is because of ingestion of a virulent poison tetradotoxin (TTX) that is concentrated in fish organs.
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