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About half of the carbon dioxide released due to human activity has not been found in the atmosphere. Name a major sink other than the atmosphere, and briefly describe how long it is likely to remai
I read somewhere that eating a lot of salt will raise blood pressure, which will in turn damage brain tissue. This is because water molecules gather around salt ions, thus making it harder for the b
I stress, not about nicotine's toxicity in general but about its harmful effects on vertebrates (preferably human) at the kinds of concentrations one could expect to ingest when smoking.
A human, at some time in life or the other, must clear the auditory canal. This is usually achieved using soft-cotton buds, or such similar device.
I know that ethanol increases insulin secretion--could someone explain why?All I have found till now is experimental data analyses. I am interested in mechaismn of alcohol consumption.
I have a list of candidate proteins as the result of my analysis. I am now trying to find various characteristics that they have in common. One of the things I would like to check is if my candidate
Usually the protocol for preparing electro competent E. coli cells calls for growing the cells at 37deg and 225rpms until they reach OD of 0.3.
I am reading about transportation of ions in a cell. It is necessary to transport sodium back out and potassium back in, against their electrochemical gradient.
Many animals have red tongues, though not all of them - blue-tongued skinks and giraffes come to mind.
What is the limit of resolution on this microscope? Please be specific to how you came up with this answer, what formula did you use
I'm aware of measures like number of distinct cell types being used as a measurement of complexity in biology, for example in the G-value paradox. But this doesn't really help for unicellular organi
I've been reading about brain plasticity and how the brain can "rewire" itself.One of the things that is not clear to me - how neurons can establish new connections.
This article states of a 25T magnet, ".. If are ever caught in one of these devices, letâ€TMs just say you probably wonâ€TMt live to tell the tale."
Is territoriality (recognizing a geographic location, and challenging another member of the same species and gender) only in the domain of the male of a species?
What produces more energy for human cells: fermentation of glucose to lactate or the full oxidation of glucose to CO2 ? What happens to the lactate produced in fermenting muscles?
What are the genotypes of these guinea pigs? Make sure to show the Punnet squares for each individual cross listed above (8pts)
To make a 5% solution of SDS how many grams of sodium dodecyl sulphate (mw=288.37) would you dissolve in 1050 mLs? Show work.
You have a 5L bottle of 5X TAE avilable, but to perform an experiment you need 1l of 1X TAE. Solve the problem to make the working solution. Show work.
That is to say, are there cells that, between infancy and adulthood, get larger? Or is all growth done entirely via cell division? I'm wondering if it is safe to assume that the approximate number o
Evolution is traditionally spoken of as an inherited change over generations.
I've been reading about homeostatic nature of a lot of neurobiological processes - the brain is trying to maintain a balance by desensitizing receptors, re-up taking and breaking down neurotransmit
I've noticed that in mammalian cell culture, there are often two types of DMEM available. High Glucose and Low Glucose.
I've read that there are several SNPs associated with increased risk of clinical or morbid obesity. I was wondering if there is any evidence that these are under positive selection.
Deinococcus radiodurans is an amazing bacterium with a fantastic survival rate. It can survive to high doses of radiation, in a complete vacuum and in hydrochloric acid.
In the normal function of the kidney, the bloodstream is near emptied of fluids as it moves through the glomerulus, in which glomerular filtrate is formed.