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Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?
A)The existence of structural and molecular differences between the plasma membranes of prokaryotes and the internal membranes of mitochondria and chloroplasts.
B)The existence of size differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts.
C) the existence of size differences between some prokaryotic cells and mitochondria.
D) the existence of rRNA sequence differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts.
Create an experiment in which you will test the effect of an acidic fluid on enzymatic activity. To complete this assignment, it may be useful for you to review the Scientific Method Tutorial.
Compare lake and ocean ecosystems in terms of nutrient cycling, physical structure, and primary production. Explain which system you expect consumers to play a larger role in controlling primary production.
essay 1pick one of the following essays to research.question 1 knowing the controversy behind the origins of birds
In Drosophila melanogaster, a gene "ebony" produces a dark body colour when homozygous, and an independently assorting gene "black" has a similar effect (that is the black and ebony body colours are indistinguishable).
A.Decreased competition between two species leads to increased niche specialization.
Discuss and define late or delayed postpartal hemorrhage. What is the usual cause of this type of hemorrhage? List the symptoms.
Discuss and briefly explain the three processes that would explain how pseudomonas could transfer its genetic resistance to Enterobacter and Klebsiella.
With your understanding of how telomeres protect chromosomes (as you explained above), how might they provide a mechanism for cellular aging.
The insecticide rotenone inhibits one of the steps of the electron transport system in mitochondria. What is the immediate result.
Explain why DNA is the most favorable molecule for genetic material and how RNA compares to it in this respect.
Can anyone explain the mechanism of evolution for prokaryotes and eukaryotes, Please use your own words and not copy from internet because I will not be able to understand
Assume that a man with dentinogenesis imperfecta, whose father had the disease but whose mother had normal teeth, married a woman with normal teeth. They have six children.What is the probability that this couple's first child will be a male with ..
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