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Chris Bemis

U.S.
Available
I will answer questions relating to the identification of bacterial and fungal isolates using phenotypic (macroscopic/microscopic appearance, biochemical bench tests, fatty-acid analysis) as well as genotypic (RiboPrinting) methods. I can also answer questions relating to environmental microbiology, especially those specifically relating to the pharmaceutical industry. I am less familiar with clinical microbiology.

Chris Larsen

U.S.
Available
I can answer questions relating to general biology, cell biology, human physiology, biochemistry and pharmacology.

Walter Hintz

U.S.
Available
Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.

Recent Answers

2016-08-27 death question.:

Hi Omar    If the oxygen intake is completely cut off for an extended period, a person dies from lack of oxygen to the brain. I do not know much about rear naked choked holds but if any choke hold is maintained

2016-08-25 Universal Blood donor and Universal blood acceptor:

There are a large number of blood proteins. Two of them have been designated as Type A and Type B. They are of interest because they are antigenic which means that they cannot me mixed in the body. Humans

2016-08-19 Help:

Hi Aishwarya    Cells do vary in size and in shape but all cells are extremely small. The largest cells are unfertilized eggs of mammals. Your instructor is correct in that the variation between large

2016-08-18 Portable Sterilisation machine for surgical and medical instruments.:

Yes there  are. Portable autoclaves are really pressure cookers. Most pressure cookers are made by a Company called All American in Wisconsin. I cannot find the address however.   There is also a portable

2016-08-08 Cell Replacement:

Although there are still mysteries about memory The current explanation is that every thought or sensory input involves a nerve impulse moving in the same pathway. I other words when you see the color

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