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A healthy, well-nourished 27-year-old ate a large steak and egg breakfast. A few hours later, she consumed an ice cream sundae. The protein from her diet is denatured and then proteolyses to single
How does treatment with phenylbuterate (or phenyl acetate) partially overcome the clinical consequences of urea cycle deficiencies?es treatment with phenylbuterate (or phenyl acetate) partially ove
Explain the two primary non-toxic methods of transporting ammonia are using the amino acids.
A male infant who appeared normal at birth began to develop lethargy, hypothermia and apnea at 42 hours after delivery. It was determined he had a deficiency in ornithine transcarbamoylase.
Thyroid hormone acts more like a __________________ hormone then a _________________ hormone.
Jill and John get lost while traveling up a hill. They have not brought any snacks or water with them. As time passes their insulin to glucagon ratio decreases.
If the forward mutation rate is 1 × 10? 5 new mutations per gene per generation, what is the average number of new mutations per gamete per generation? Explain your work.
Why is right-handedness clearly dominant in humans? Explain evolutionary theories, as well as any molecular explanation .
when a human is sitting on the toilet squeezing, is that squeezing flexing of the sphincter, or squeezing muscles along the sides of the colon pushing on it as one's fingers push on the tube to get
How did viruses with the head, tail and tail fibers actually evolve? These viruses look more like machines than biological entities.
In the case of mammals like giraffes and koalas, is that bacteria common on the plants they eat so when a baby starts to try to stick something besides its mother's milk in its mouth, it can't diges
I'm looking find a cheat sheet for protein biology to stick on my desk to remind of some of the key principles of protein biology. I seem to remember the specific and complex principles in protein b
Assume a perfectly developed physical human body and anatomy in terms of size, dimensions and proportions. In theory, if I cut the body vertically into two exact halves from the center of the head d
The number of individuals constituting a population is called population size. Over time population size does not remain constant, it fluctuates to different extent over generations because of sever
The blood-volume of an organism is defined as the total volume of blood present inside that organism.
One of the tenets of Darwin's theory is the survival of the fittest, i.e. adaptation of features that allow a species to adapt better to its surrounding environment. I am wondering that given the ri
The popular term 'hot-blooded' means having an internally maintained average body temperature, which is generally more than that of the surroundings, despite the variation of the temperature outside
Looking at some more detailed codon usage tables, genes may be further clustered into three gene classes: Metabolic genes, highly expressed genes during exponential growth, and horizontal gene trans
Consider a simple spherical model cell that consists of cytoplasm and a plasma membrane. The cell's initial volume is 2 nL and contains 0.2 M protein. The cell is placed in a large volume of 0.05 M
The dinosaurs, mammoths, giant plants etc are known to be bigger than modern animals. I wonder why they had been lived and why they are not living now.
Whilst on a recent refresher course it was highlighted that when considering risk of exposure to infection from bodily fluids we should be aware of two distinct risk levels.
I would like to conduct a simple demonization experiment for some protein I'm collecting from cultured cells. My thought is, that if I'm running a non-reducing, denaturing PAGE gel, then removing b
I'm never going to run these type of experiments but I do need to have a good idea of their timescale.
We touched on intones and exons in my bio class, but unfortunately we didn't really talk about why Eukaryotes have intones. It would seem they would have to have some purpose since prokaryotes do no
I'm sure that everyone is familiar with the sensation commonly known as "butterflies in the stomach". It is commonly experienced during periods of anxiety or stress (e.g. before high stakes job inte