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suppose your professor handed you a test tube with 2.0mL of an E.coli broth culture in it and told you to make a 10^-1 dilution of the entire culture. Explain how you would do this. Show your calculations
A standard curve of absorbance as a function of oxidized DPIP concentration in ug/ml gives the following equation for the trend line: Y=.5X. The reaction volume was 7ml.
Name the two evolutionary hypotheses that can explain why organisms senesce (1). Pick one of them, and explain how it works (2). Give an example of this hypothesis-you may use a hypothetical organism and/or traits, provided it is realistic (2).
Suppose a population evolving by genetic drift in which the frequency of allele K is 0.65. What is the probability that at some point in the future allele K will drift to a frequency of 1?
q1. do humans naturally walk heel ball and toe like we do at the present? i have heard that the only reason this is
ESI-TOF MS of a protein from a low pH solution generates a series of m/z peaks. The two most dominant successive peaks have m/z values of 510.0 and 502.9.
The body temperature in humans is maintained about the 37 C. Which characteristic of life does this statement represent? Living things respond to stimuli. Living things are homeostatic.
What were the key innovations that allowed adaptive radiation of modern plants? Why are bryophytes considered to be primitive plants? Why do bryophytes and ferns need water for reproduction?
How do muscle fibers contract? Describe why ATP and metal ions are important. Describe the motor proteins, cytoskeletal elements, and other accessory proteins that are involved and what purpose each component serves.
there are at least 64 different forms of vitamin e differing in their biological activity .what are the three different
q. 1. classify the superfund program. the superfund program is the federal governments program to locate and
Starting with a hydrophilic signaling molecule, explain the process that takes place with a G-coupled protein signaling pathway. Suppose that cAMP is your main secondary messenger.
Recognize a group or professional in your area working in the field of biological science. Interview an individual from the organization who works straight in the biological sciences field to develop an appreciation for the type of work, latest resea..
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