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lysosomes are cell organelles that contain enzymes such as lipase in an acidic environment. I want to test the effect of pH on the activity of enzymes of enzymes extracted from the lysosomes and are provided with test solution with a pH of 3, 5, 7, 8, 10. at what pH do you expect the enzymes to be most active?
Among the fungi, animals and plants, the two most closely related groups have a common ancestor that is one of the characters on which their relatedness is based.
What are the two main groups (clades) of poisonous snakes, and how do their jaws, fangs, and venom types differ?
Some evolutionary biologists have argued that the neutral theory should be taken as the null hypothesis to explain genetic variation within species or populations and genetic differences among them.
provide an explanation of how bacterial species are defined. clearly state how the concept of a bacterial species differs from that of the biological species concept used with animals and plants.
Bones vary in mechanical properties. Where on the range of mechanical properties for bone do you think this bone would fall? Address at least elastic modulus, yield stress, and yield or ultimate strain.
Illustrate the process of diffusion. Name and explain the condition that exists when the diffusion of a particular substance is complete.
define how prokaryotes and eukaryotes provide different. What does each category tell you about evolution; pick one from an early era and one from today or recent times.
calculate the Shannon-Wiener index (H0) for each plot. I've broken the data above into three separate tables for your calculations. Fill in the following three tables and calculate H0 for each plot.
The error rate of transcription is much higher than the error rate of replication. Explain why this is not a problem for cells?
What is the cellular/molecular mechanism to make yeast chemically competent? Compare and contrast the molecular mechanisms of yeast and bacterial transformations.
Suppose that the lengths of the double-helical regions and the lengths of the single-stranded regions in them vary within relatively tight limits.
The replication cycles of bacteriophages and animal viruses have many similarities. Discuss similarities and differences of the characteristics of prophages vs proviruses.
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