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Assignment
Be sure to back up each statement of fact with cited sources. Your response to each question should be at least 100 words.
1. Haemophilus influenzae requires hemin (X factor) to synthesize cytochromes and NAD (V factor) from other cells. For what does it use these two growth factors? What disease(s) does H. influenzae cause?
2. The bacterial enzyme streptokinase is used to digest fibrin (blood clots) in patients with atherosclerosis. Why doesn't injection of streptokinase cause a streptococcal infection? How do we know the streptokinase will digest fibrin only and not other tissues?
3. Based on biochemical tests and oxygen usage, how would you identify and classify, respectively, the following microbes:
a. Staphylococcus aureusb. Pseudomonas aeruginosac. Bacillus subtilisd. Escherichia coli.
Suppose you are self making a hypothetical species. Can you suggest a type of genetic change that could have a drastic effect on the evolution of a species?
Imagine that you have been asked to educate the members of your community on this environmental issue. Create a 12- to 14-slide presentation about your selected environmental issue. Include the following in your presentation:
Describe how marine algae are different from terrestrial plants. How are they similar? What are the three major phyla? What are the differences between these groups?
When the voltage-gated sodium channels open at the start of an action potential, ______.
How do 5 fluorodeoxyuridine monophosphate and methotrexate affect cell metabolism? Know the specific enzymes affected and the consequences for the cell.
What happens when the lungs recoil? What is the main cause of transpiration in plants? Which one of the following statements accurately describes a characteristic of red blood cells?
Identify The Tissue And Cells
Explain how a species becomes endangered and extinct. What are the causes for extinction?
q1. animals can be genetically modified as well. what components of pcrs require to be changed in order to identify
You conduct a cross between two individuals with the genotype Aa. a. What phenotypic ratio do you expect for the offspring?
Rehydration supplements such as sport drinks include sugar and asalt. Why are both important to rehydration
What is the advantage of using ATP as a common energy source? Another way of asking this question is, Why is ATP an advantage over using a bunch of different food molecules?
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