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If you had a solution of proteins from a crude extract in water, and added ammonium sulfate to 60% saturation, proteins with more hydrophobic surfaces exposed precipitate. If you then heated the solution to 60 degrees Celsius for 2 minutes, and then put the solution on ice, less-thermostable proteins will denature, and more more hydrophobic areas will be exposed on these proteins. Meanwhile, more-themostable proteins will not be denatured and remain in their native state. If you were designing a purification procedure to separate proteins on thermostability, after centrifuging, would you expect the less-theromostable proteins that are denatured to become less soluble and precipitate? Would this 60 degree Celsius heat treatment step cause more proteins to precipitate and become part of the pellet than before the step? How would you draw a flow chart for this step of a purification procedure?
3) If there is a mutation that falls within an intron close to an exon junction, what might this mutation be affecting? Propose 1 experiment to investigate this possibility. Explain the protocol, controls, and expected results
Describe the events leading to a skeletal muscle twitch starting with neurotransmitte release from a somatic motor neuron.
What features of rats make them good experimental models to learn about factors that affect humans?
Describe the shape of the plant cells. Descrie the shape of the animal cells. What makes them different? RNA is single stranded, DNA is double- stranded. How accurate is this statement?
The main principles of evolution are outline below. Using the principles of evolution as a guide, describe how antibacterial resistance happens OR describe how different skin pigmentation evolved in the human population.
What will happen if an animal is placed in a hypertonic solution and Describe how the concept of the cell has changed over the past 200 years
q1. x-linked recessive colour-blindness malepatterned baldness hemophilia color-blindness is caused by a recessive gene
the human appendix a vestigal extension off the large intestine is homologous to a structure called a caecum generally
what structures connect the fetal blood to the mother's blood?
Required a list of equipment nessessary to complete it as well as a method to isolate the cell parts, how much protein is in the red blood cell as well as the amount of DNA in the cell.
During exercise, which of the following cells release glucose into blood? For each milliliter of sweat evaporated, it removes______ ofheat.
"life is homeostatic". What does this mean and how does the human body achieve homeostasis. Provide examples to support your explanation.
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