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It's a long way from sunlight to electric light, but the path can be followed. List a possible sequence of events and describe the energy transformations that take place between the sun's light hitting the earth and the light reaching you from an electric light bulb. Assume that the electricity is generated in a gas-fired electrical station.
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..
How much of OUR genome is made up of transposable elements and what is the difference between Autonomous vs. Non-autonomous transposons?
At a talk by a visiting scientist, you learn about a strain of bakers' yeast that contains a mutation called gal1- in its galactokinase gene. Because this gene is needed to metabolize galactose, the mutant strain cannot grow in galactose medium.
In the evolution of land plants we see several major trends. Describe how the evolution of seeds decreases a plant's dependency upon water.
It is though that the glucose transporter switches between two conformational states in a completely random fashion. How is it possible for such a system to move glucose across the membrane efficiently in a single direction?
Which region of the brain has changed the most during the course of vertebrate evolution? Why do you think this is so?
Assume you are an ecologist studying a population of gerbils that can be found in nature with three different colors. An individual gerbil can be, dark brown, medium brown, or light brown.
What is rabies? What animals carry it? What are ways to prevent it? What about the vaccine? Who should get it? answer should be about 200-300 words and should be written clearly.
Determine the volume of the suspension you will need to seed one well at each concentration.
Which of the following would not be stimulated by neurons originating in the hypothalamus.
Discuss the different phases of the cell cycle. At which part of the cell cycle would you expect that a change in regulation could result in cancer? How is the cancer cell cycle different from a normal cell cycle? Provide a rationale for your answer.
Explain how the scientists tested their hypothesis that females only produce glandular secretions when ridden by a male. What was their sample size for this experiment?
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