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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.
Compare the utility of APD, and NADPH, generated by photosynthesis, in terms of the Calvin Cycle.
Compare and contrast DNA and RNA
Haemolytic jaundice is due to dominant gene but only 20% of the people develop this disease. A heterozygous man marries a homozygous normal woman. What proportion of the children in population would be expected to have this disorder and how?
A group of 11 mice was given water, and another group of 10 mice was supplied with diluted black coffee (coffee:water 1:1) as drinking fluids for five weeks. Identify and describe the steps of the scientific method
Arginine, Leucine, Lysine, and Valine are all amino acids. Lysine and Arginine are both under the category of charged polar amino acids, where they exhibit a positive charge. Leucine and Valine are both uncharged non-polar amino acids, and, as such, ..
When you cross a black Guinea pig with a white Guinea pig, three of the offspring are black and three are white. When you cross two of the black offspring you get six black and two white offspring.
Picture of the species and tell us what is its current conservation status (IUCN or EDGE), What are the key threats causing it to decline
Genetic variation is important in reproducing populations because it allows the population to adapt to changing environments. Those individuals who are genetically best adapted to an environment have a greater tendency to survive and reproduce.
How lymph forms and returns to the bloodstream 300 words. Your post must be HIGHLY ORGANIZED, ACCURATE and THOROUGH. Reference sources that are used. See start here tab for APA help.
Explain physiological changes that occur in three different organ systems when food is ingested and how these systems coordinated a response in the human body.
Identify structural characteristics of specified fungi. Recognize how the replication mechanisms of fungi promote the spread of infection within an individual
What is the native distribution of ferns? Such as where did they come from, what families are more common?
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