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Describe and explain the relationship between the carbon cycle and the nitrogen cycle using a written answer and a simple diagram.
Marking Guide:
-Clearly written description of the relationship between the carboncycle and nitrogen cycle that includes plants , decomposers, andnitrogen fixing bacteria.
-Accurately drawn diagram of the relationship between the carbonand nitrogen cycle that includes nitrates and carbon dioxide.
When the experiment is repeated with a protein medium, the yeasts grow only in the presence of oxygen. Pasteur concluded that the yeasts can take oxygen from air, and in the absence of air, the yeasts take oxygen from sugar.
A young couple went to see a genetic counselor because each had a sibling affected with cystic fibrosis. (Cystic fibrosis is a recessive disease, and neither member of the couple nor any of their four parents is affected.)
Assume you are researching microbial life in the Rocky Mountains. You scoop up a water sample from a melted snow puddle because you are curious about the possible microbes that might live there.
calculate the percent recovery for the analysis of a spike. the sample was spiked with 5.00 ml of a 200.0 mg/l solution. the sample matrix concentration was determined to be 30.0 mg/L. The sample matrix volume (excluding the spike) was 90.00 ml. T..
Suppose that you have come up with a way of enlarging single cells to such a degree that a DNA duplex has a diameter of 0.1 mm - about the thickness of a human hair.
find out in the way that RAS activity responds to extra-cellular signals? Why.
Based upon your knowledge of the study area, has this location been influenced by fertilizers, herbicides, and/or pesticides? If so, how might these chemicals influenced the diversity or organisms in your study area?
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.
What is the function of a DNA binding protein and the operator andhow do these regulate an operon (the operon is repressible)?
Assume blood isolated from an emergency room patient contains antibodies against the measles virus. Describe whether or not the patient should be quarantined immediately because they are infected with the measles virus.
What is wobble, and how does it affect the number of tRNAs needed to translate the codons of a particular amino acid?
A friend of yours is complaining that every time he eats ice cream, a good cheesey pizza, or really, any dairy products, he experiences very painful abdominal cramping, gas, and diarrhea.
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