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Q1. Student wants to conduct science fair project on extracting proteins or peptides from alligator blood (pending getting safety approval and working in a lab) and testing against E. coli, and other organisms that she can get from working in a lab. She found idea from Proteins isolated from alligator blood may lead to new antibiotics (also crocodiles). Any procedures available that I might have her read to better understand process before seeking lab/mentor?
Q2. Throughout exposure to elevated glucose, a yeast cell's membrane glucose transporters will rapidly increase so the cell can import glucose. Which will represent the yeast cell response?
You have identified a strain of mutant E. coli that constitutively expresses from the lac operon. Considering that this is a mutation in a gene that encodes for a protein repressor.
define microevolution. How does the field of population genetics help to describe evolutionary change? How are allele frequencies calculated for a specific gene in a population?
A patient lost a lot of blood during surgery and his blood pressure dropped from 120/80 to 90/50. Describe how the kidneys respond to this change in blood pressure.
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Explain why is it difficult to develop an effective malaria vaccine?
How might Lucy conceive a child with just one ovary and one uterine tube, widely separated on opposite sides of the pelvis like this.
What would be the consequence to Earth's ecosystems if the ozone layer were to completely dissipate? Are certain organisms, landscapes, environments more at risk if this were to happen?
Data Interpretation
The relationship of free energy change to the concentrations of reactants and products is important because it predicts the direction of spontaneous chemical reactions.
Is Calcium important in the physical contraction of the heart.
Why is it necessary to have a different mechanism for sexual reproduction, and how does the process of meiosis fulfill this purpose? What do you think are the advantages of this mechanism?
Suppose you are a geneticist and you're asked to examine the effects of a radiation leak that occurred at a facility in Iraq several years ago. How will you assess the level of mutations caused by this leak.
ssume you have just eaten a sausage and egg sandwich for breakfast. Explain the chemical changes that occur in the sandwich as it passes through the parts of the GI tract.
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